The document contains 59 multiple choice questions from a chemistry exam. The questions cover topics such as:
1) Identifying elements and compounds based on their electronic configurations and quantum numbers.
2) Calculating quantities like moles, molarity, and vapor pressure from chemical equations and experimental data.
3) Understanding concepts like ionization energy, electronegativity, periodic trends, chemical bonding, and acid-base chemistry.
1. This document contains past paper questions from 2000 for the UPSEE chemistry exam. There are 53 multiple choice questions testing concepts in general chemistry, organic chemistry, and inorganic chemistry.
2. The questions cover topics such as atomic structure, chemical bonding, thermodynamics, equilibrium, electrochemistry, and reactions. Multiple choice answers are provided for each question.
3. This review document provides practice questions that are representative of the difficulty and scope of the UPSEE chemistry exam, to help students prepare for the test.
This document contains an unsolved chemistry past paper from 2002 containing 50 multiple choice questions testing various chemistry concepts. The questions cover topics such as solubility, bond energies, oxidation states, reaction types, standard reduction potentials, and thermodynamic properties. The document provides the questions along with four possible answer choices for each, but does not include the solutions.
This unsolved chemistry past paper from 2001 contains 54 multiple choice questions testing concepts related to general chemistry, organic chemistry, and physical chemistry. The questions cover topics such as reactions, nomenclature, properties, structures, equations, and calculations.
The document provides 50 multiple choice questions from a past chemistry exam. The questions cover a range of chemistry topics including atomic structure, gas laws, organic chemistry reactions, colligative properties, equilibrium, and acid-base chemistry. The correct answer is indicated for each question by choosing one of the four letter options (a, b, c, or d).
This chemistry exam from 2005 contains 52 multiple choice questions testing concepts in general chemistry. Some of the key topics covered include:
- Properties of solutions including concentration units, freezing point depression, and solubility products
- Chemical bonding including types of bonds and hybridization
- Reaction kinetics including rate constants and reaction orders
- Thermochemistry including equilibrium constants and Le Chatelier's principle
- Descriptive chemistry including properties of elements, compounds, and chemical reactions.
This document contains an unsolved chemistry exam paper from 2001 containing 50 multiple choice questions testing various chemistry concepts. The questions cover topics such as stoichiometry, electrochemistry, organic chemistry, acids and bases, thermodynamics, and radioactivity. The full paper would require reviewing each question and selecting the appropriate multiple choice answer to demonstrate understanding of fundamental chemistry principles.
This document provides an unsolved chemistry exam from 1998 containing 66 multiple choice questions testing various chemistry concepts. The questions cover topics such as oxidation states, IUPAC naming, isomerism, acid-base reactions, equilibrium, electrochemistry, and organic chemistry reactions.
This document contains an unsolved chemistry paper from 2000 containing 50 multiple choice questions testing concepts such as:
1) Properties and reactions of acids, bases, salts, and other chemicals
2) Gas laws, thermodynamics, equilibrium, and stoichiometry
3) Structure and bonding in organic and inorganic compounds
4) Characteristics and trends in the periodic table
5) Techniques for separating and purifying compounds
The questions cover a wide range of fundamental chemistry topics and are intended to evaluate students' understanding of core concepts through multiple choice responses.
1. This document contains past paper questions from 2000 for the UPSEE chemistry exam. There are 53 multiple choice questions testing concepts in general chemistry, organic chemistry, and inorganic chemistry.
2. The questions cover topics such as atomic structure, chemical bonding, thermodynamics, equilibrium, electrochemistry, and reactions. Multiple choice answers are provided for each question.
3. This review document provides practice questions that are representative of the difficulty and scope of the UPSEE chemistry exam, to help students prepare for the test.
This document contains an unsolved chemistry past paper from 2002 containing 50 multiple choice questions testing various chemistry concepts. The questions cover topics such as solubility, bond energies, oxidation states, reaction types, standard reduction potentials, and thermodynamic properties. The document provides the questions along with four possible answer choices for each, but does not include the solutions.
This unsolved chemistry past paper from 2001 contains 54 multiple choice questions testing concepts related to general chemistry, organic chemistry, and physical chemistry. The questions cover topics such as reactions, nomenclature, properties, structures, equations, and calculations.
The document provides 50 multiple choice questions from a past chemistry exam. The questions cover a range of chemistry topics including atomic structure, gas laws, organic chemistry reactions, colligative properties, equilibrium, and acid-base chemistry. The correct answer is indicated for each question by choosing one of the four letter options (a, b, c, or d).
This chemistry exam from 2005 contains 52 multiple choice questions testing concepts in general chemistry. Some of the key topics covered include:
- Properties of solutions including concentration units, freezing point depression, and solubility products
- Chemical bonding including types of bonds and hybridization
- Reaction kinetics including rate constants and reaction orders
- Thermochemistry including equilibrium constants and Le Chatelier's principle
- Descriptive chemistry including properties of elements, compounds, and chemical reactions.
This document contains an unsolved chemistry exam paper from 2001 containing 50 multiple choice questions testing various chemistry concepts. The questions cover topics such as stoichiometry, electrochemistry, organic chemistry, acids and bases, thermodynamics, and radioactivity. The full paper would require reviewing each question and selecting the appropriate multiple choice answer to demonstrate understanding of fundamental chemistry principles.
This document provides an unsolved chemistry exam from 1998 containing 66 multiple choice questions testing various chemistry concepts. The questions cover topics such as oxidation states, IUPAC naming, isomerism, acid-base reactions, equilibrium, electrochemistry, and organic chemistry reactions.
This document contains an unsolved chemistry paper from 2000 containing 50 multiple choice questions testing concepts such as:
1) Properties and reactions of acids, bases, salts, and other chemicals
2) Gas laws, thermodynamics, equilibrium, and stoichiometry
3) Structure and bonding in organic and inorganic compounds
4) Characteristics and trends in the periodic table
5) Techniques for separating and purifying compounds
The questions cover a wide range of fundamental chemistry topics and are intended to evaluate students' understanding of core concepts through multiple choice responses.
The document contains 50 multiple choice questions from an unsolved chemistry past paper from 1999. The questions cover a range of chemistry topics including organic chemistry reactions, properties of elements, acid-base chemistry, stoichiometry, gas laws, and more. The full solutions to the questions are not provided in the document.
This document contains a past paper for the UPSEE chemistry exam from 2004. It consists of 53 multiple choice questions testing various concepts in chemistry. The questions cover topics such as organic chemistry reactions, acid-base chemistry, thermodynamics, atomic structure, and more. For each question, four possible answers are provided and the test-taker must select the single best answer.
This document contains an unsolved chemistry past paper from 2007 containing 40 multiple choice questions related to various chemistry topics. The questions cover areas such as thermodynamics, kinetics, equilibrium, electrochemistry, organic chemistry, coordination chemistry, and nuclear chemistry.
This document contains a chemistry exam from 2007 with 40 multiple choice questions covering various topics:
1. Electrochemistry questions involving standard reduction potentials.
2. Equilibrium constants for reaction of N2 and O2.
3. Radioactive decay and half-life calculations.
4. Organic chemistry reactions like Friedel-Crafts acylation.
5. Properties of acids and bases.
6. Characteristics of polymers, transition metals, and coordination compounds.
7. Stoichiometry, gas laws, thermochemistry, and other general chemistry principles.
This document contains an unsolved chemistry paper from 2006 containing 40 multiple choice questions. The questions cover topics in chemistry including acids and bases, stoichiometry, organic chemistry, equilibrium, thermodynamics, and more. For each question, four answer choices are provided and the test-taker must select the single correct answer.
This document contains a 45 question chemistry exam from 1994 with multiple choice answers for each question. The questions cover a wide range of chemistry topics including organic chemistry reactions, properties of acids and bases, transition metals, thermodynamics, kinetics, and other general chemistry concepts.
1. The document provides 30 multiple choice questions related to chemistry.
2. The questions cover topics such as bond energies, organic reactions, IUPAC names, properties of gases, acid-base chemistry, and more.
3. Multiple choice options with a single correct answer are provided for each question.
1. The document provides 40 multiple choice questions from a past chemistry exam.
2. The questions cover a wide range of chemistry topics including organic chemistry reactions, properties of elements and compounds, equilibrium, kinetics, and nuclear chemistry.
3. For each question, 4 possible answers are given and test takers must select the single best answer.
This document contains an unsolved chemistry exam from 1994 containing 50 multiple choice questions related to topics like antibiotics, acids and bases, organic chemistry reactions, transition metals, and other general chemistry concepts. The questions cover identifying true statements, determining correct reaction mechanisms and products, interpreting data from experiments, and calculating various chemistry values.
This document contains an unsolved chemistry exam from 1997 containing 50 multiple choice questions related to various chemistry topics. The questions cover subjects like acids and bases, redox reactions, organic chemistry, coordination compounds, and more. For each question, four answer choices are provided and the test-taker must indicate the correct choice in their answer book.
1. This document contains an unsolved chemistry exam from 1998 containing 50 multiple choice questions covering various chemistry topics.
2. The questions cover topics such as thermodynamics, stoichiometry, organic chemistry reactions, states of matter, acid-base chemistry, and more.
3. Each question provides 4 possible answer choices for the correct response.
The document is a chemistry exam from 2005 containing 75 multiple choice questions testing concepts in general chemistry. It covers topics like chemical bonding, thermodynamics, organic chemistry reactions, and acid-base chemistry. The questions range in difficulty from fundamental principles to application of concepts to analyze chemical situations and predict products of reactions. The exam is designed to thoroughly test students' understanding of essential chemistry concepts.
1. The document contains an unsolved chemistry practice test with 43 multiple choice questions and answers related to topics like atomic structure, chemical bonding, thermodynamics, kinetics and equilibrium.
2. The questions cover concepts such as Bohr model, de Broglie wavelength, Lewis structures, IUPAC naming, acid-base reactions, salt solubility, electrolysis, redox reactions, colligative properties, rate laws, free energy and entropy changes.
3. The document tests understanding of fundamental chemistry principles as well as the ability to apply these principles to solve quantitative problems.
This document contains a 50 question chemistry practice test with multiple choice answers for each question. The test covers topics such as organic chemistry, inorganic chemistry, physical chemistry, and more. Each question provides 4 possible answer choices with only one being correct.
https://www.deped.gov.ph/wp-content/uploads/2019/01/General-Chemistry-1-and-2.pdf
General Chemistry
GenChem
STEM
Science, Technology, Engineering, and Mathematics
K to 12 Senior High School STEM Specialized Subject – General Chemistry 1 and 2
Quarter 1 – General Chemistry 1
Matter and Its Properties
Measurements
Atoms, Molecules and Ions
Stoichiometry
Percent Composition and Chemical Formulas
Chemical reactions and chemical equations
Mass Relationships in Chemical Reactions
Gases
Dalton’s Law of partial pressures
Gas stoichiometry
Kinetic molecular theory of gases
Quarter 2 – General Chemistry 1
Electronic Structure of Atoms
Electronic Structure and Periodicity
Chemical Bonding
Organic compounds
Quarter 3 – General Chemistry 2
Intermolecular Forces and Liquids and Solids
Physical Properties of Solutions
Thermochemistry
Chemical Kinetics
Quarter 4 – General Chemistry 2
Chemical Thermodynamics
Chemical Equilibrium
Acid-Base Equilibria and Salt Equilibria
Electrochemistry
PPSC CHEMISTRY PAST PAPERS MCQS solved BY Malik XUFYANMalik Xufyan
This document contains a chemistry past paper with multiple choice questions from JIAS Academy. It includes 61 multiple choice questions testing concepts in chemistry such as atomic structure, chemical bonding, redox reactions, acid-base reactions, and organic chemistry. The questions are from a practice test intended to help students prepare for the PPSC chemistry exam.
The document is a chemistry exam from 1998 containing 45 multiple choice questions related to various chemistry topics. The questions cover areas such as solutions, organic chemistry reactions, coordination compounds, acid-base chemistry, and more. The questions are single-answer multiple choice with 4 options labeled a, b, c, or d for each question.
https://www.deped.gov.ph/wp-content/uploads/2019/01/General-Chemistry-1-and-2.pdf
General Chemistry
GenChem
STEM
Science, Technology, Engineering, and Mathematics
K to 12 Senior High School STEM Specialized Subject – General Chemistry 1 and 2
Quarter 1 – General Chemistry 1
Matter and Its Properties
Measurements
Atoms, Molecules and Ions
Stoichiometry
Percent Composition and Chemical Formulas
Chemical reactions and chemical equations
Mass Relationships in Chemical Reactions
Gases
Dalton’s Law of partial pressures
Gas stoichiometry
Kinetic molecular theory of gases
Quarter 2 – General Chemistry 1
Electronic Structure of Atoms
Electronic Structure and Periodicity
Chemical Bonding
Organic compounds
Quarter 3 – General Chemistry 2
Intermolecular Forces and Liquids and Solids
Physical Properties of Solutions
Thermochemistry
Chemical Kinetics
Quarter 4 – General Chemistry 2
Chemical Thermodynamics
Chemical Equilibrium
Acid-Base Equilibria and Salt Equilibria
Electrochemistry
This document contains a multiple choice quiz with 82 questions covering various topics in chemistry. Some of the main topics addressed include:
- Gas laws and properties (e.g. Boyle's law, molar volume at STP)
- Atomic structure and quantum numbers
- Chemical bonding and molecular geometry
- Thermochemistry and thermodynamics (e.g. heat of reaction, entropy)
- Acid-base chemistry and pH
- Chemical kinetics and reaction rates
1. The document contains a past paper for UPSEE chemistry with 37 multiple choice questions covering topics like crystals, organic chemistry reactions, thermodynamics, electrochemistry, and acid-base chemistry.
2. The questions test understanding of concepts like crystal structure, reaction mechanisms, equilibrium expressions, oxidation states, hybridization, and acidity.
3. Single correct answers are to be chosen from four options for each question.
1. The document contains a past paper for UPSEE chemistry with 46 multiple choice questions covering various chemistry topics.
2. The questions are single answer multiple choice questions testing knowledge of topics including stoichiometry, organic chemistry, thermodynamics, coordination chemistry, and more.
3. The questions range in difficulty from calculating quantities based on chemical equations to identifying IUPAC names and reaction mechanisms.
The document contains 50 multiple choice questions from an unsolved chemistry past paper from 1999. The questions cover a range of chemistry topics including organic chemistry reactions, properties of elements, acid-base chemistry, stoichiometry, gas laws, and more. The full solutions to the questions are not provided in the document.
This document contains a past paper for the UPSEE chemistry exam from 2004. It consists of 53 multiple choice questions testing various concepts in chemistry. The questions cover topics such as organic chemistry reactions, acid-base chemistry, thermodynamics, atomic structure, and more. For each question, four possible answers are provided and the test-taker must select the single best answer.
This document contains an unsolved chemistry past paper from 2007 containing 40 multiple choice questions related to various chemistry topics. The questions cover areas such as thermodynamics, kinetics, equilibrium, electrochemistry, organic chemistry, coordination chemistry, and nuclear chemistry.
This document contains a chemistry exam from 2007 with 40 multiple choice questions covering various topics:
1. Electrochemistry questions involving standard reduction potentials.
2. Equilibrium constants for reaction of N2 and O2.
3. Radioactive decay and half-life calculations.
4. Organic chemistry reactions like Friedel-Crafts acylation.
5. Properties of acids and bases.
6. Characteristics of polymers, transition metals, and coordination compounds.
7. Stoichiometry, gas laws, thermochemistry, and other general chemistry principles.
This document contains an unsolved chemistry paper from 2006 containing 40 multiple choice questions. The questions cover topics in chemistry including acids and bases, stoichiometry, organic chemistry, equilibrium, thermodynamics, and more. For each question, four answer choices are provided and the test-taker must select the single correct answer.
This document contains a 45 question chemistry exam from 1994 with multiple choice answers for each question. The questions cover a wide range of chemistry topics including organic chemistry reactions, properties of acids and bases, transition metals, thermodynamics, kinetics, and other general chemistry concepts.
1. The document provides 30 multiple choice questions related to chemistry.
2. The questions cover topics such as bond energies, organic reactions, IUPAC names, properties of gases, acid-base chemistry, and more.
3. Multiple choice options with a single correct answer are provided for each question.
1. The document provides 40 multiple choice questions from a past chemistry exam.
2. The questions cover a wide range of chemistry topics including organic chemistry reactions, properties of elements and compounds, equilibrium, kinetics, and nuclear chemistry.
3. For each question, 4 possible answers are given and test takers must select the single best answer.
This document contains an unsolved chemistry exam from 1994 containing 50 multiple choice questions related to topics like antibiotics, acids and bases, organic chemistry reactions, transition metals, and other general chemistry concepts. The questions cover identifying true statements, determining correct reaction mechanisms and products, interpreting data from experiments, and calculating various chemistry values.
This document contains an unsolved chemistry exam from 1997 containing 50 multiple choice questions related to various chemistry topics. The questions cover subjects like acids and bases, redox reactions, organic chemistry, coordination compounds, and more. For each question, four answer choices are provided and the test-taker must indicate the correct choice in their answer book.
1. This document contains an unsolved chemistry exam from 1998 containing 50 multiple choice questions covering various chemistry topics.
2. The questions cover topics such as thermodynamics, stoichiometry, organic chemistry reactions, states of matter, acid-base chemistry, and more.
3. Each question provides 4 possible answer choices for the correct response.
The document is a chemistry exam from 2005 containing 75 multiple choice questions testing concepts in general chemistry. It covers topics like chemical bonding, thermodynamics, organic chemistry reactions, and acid-base chemistry. The questions range in difficulty from fundamental principles to application of concepts to analyze chemical situations and predict products of reactions. The exam is designed to thoroughly test students' understanding of essential chemistry concepts.
1. The document contains an unsolved chemistry practice test with 43 multiple choice questions and answers related to topics like atomic structure, chemical bonding, thermodynamics, kinetics and equilibrium.
2. The questions cover concepts such as Bohr model, de Broglie wavelength, Lewis structures, IUPAC naming, acid-base reactions, salt solubility, electrolysis, redox reactions, colligative properties, rate laws, free energy and entropy changes.
3. The document tests understanding of fundamental chemistry principles as well as the ability to apply these principles to solve quantitative problems.
This document contains a 50 question chemistry practice test with multiple choice answers for each question. The test covers topics such as organic chemistry, inorganic chemistry, physical chemistry, and more. Each question provides 4 possible answer choices with only one being correct.
https://www.deped.gov.ph/wp-content/uploads/2019/01/General-Chemistry-1-and-2.pdf
General Chemistry
GenChem
STEM
Science, Technology, Engineering, and Mathematics
K to 12 Senior High School STEM Specialized Subject – General Chemistry 1 and 2
Quarter 1 – General Chemistry 1
Matter and Its Properties
Measurements
Atoms, Molecules and Ions
Stoichiometry
Percent Composition and Chemical Formulas
Chemical reactions and chemical equations
Mass Relationships in Chemical Reactions
Gases
Dalton’s Law of partial pressures
Gas stoichiometry
Kinetic molecular theory of gases
Quarter 2 – General Chemistry 1
Electronic Structure of Atoms
Electronic Structure and Periodicity
Chemical Bonding
Organic compounds
Quarter 3 – General Chemistry 2
Intermolecular Forces and Liquids and Solids
Physical Properties of Solutions
Thermochemistry
Chemical Kinetics
Quarter 4 – General Chemistry 2
Chemical Thermodynamics
Chemical Equilibrium
Acid-Base Equilibria and Salt Equilibria
Electrochemistry
PPSC CHEMISTRY PAST PAPERS MCQS solved BY Malik XUFYANMalik Xufyan
This document contains a chemistry past paper with multiple choice questions from JIAS Academy. It includes 61 multiple choice questions testing concepts in chemistry such as atomic structure, chemical bonding, redox reactions, acid-base reactions, and organic chemistry. The questions are from a practice test intended to help students prepare for the PPSC chemistry exam.
The document is a chemistry exam from 1998 containing 45 multiple choice questions related to various chemistry topics. The questions cover areas such as solutions, organic chemistry reactions, coordination compounds, acid-base chemistry, and more. The questions are single-answer multiple choice with 4 options labeled a, b, c, or d for each question.
https://www.deped.gov.ph/wp-content/uploads/2019/01/General-Chemistry-1-and-2.pdf
General Chemistry
GenChem
STEM
Science, Technology, Engineering, and Mathematics
K to 12 Senior High School STEM Specialized Subject – General Chemistry 1 and 2
Quarter 1 – General Chemistry 1
Matter and Its Properties
Measurements
Atoms, Molecules and Ions
Stoichiometry
Percent Composition and Chemical Formulas
Chemical reactions and chemical equations
Mass Relationships in Chemical Reactions
Gases
Dalton’s Law of partial pressures
Gas stoichiometry
Kinetic molecular theory of gases
Quarter 2 – General Chemistry 1
Electronic Structure of Atoms
Electronic Structure and Periodicity
Chemical Bonding
Organic compounds
Quarter 3 – General Chemistry 2
Intermolecular Forces and Liquids and Solids
Physical Properties of Solutions
Thermochemistry
Chemical Kinetics
Quarter 4 – General Chemistry 2
Chemical Thermodynamics
Chemical Equilibrium
Acid-Base Equilibria and Salt Equilibria
Electrochemistry
This document contains a multiple choice quiz with 82 questions covering various topics in chemistry. Some of the main topics addressed include:
- Gas laws and properties (e.g. Boyle's law, molar volume at STP)
- Atomic structure and quantum numbers
- Chemical bonding and molecular geometry
- Thermochemistry and thermodynamics (e.g. heat of reaction, entropy)
- Acid-base chemistry and pH
- Chemical kinetics and reaction rates
1. The document contains a past paper for UPSEE chemistry with 37 multiple choice questions covering topics like crystals, organic chemistry reactions, thermodynamics, electrochemistry, and acid-base chemistry.
2. The questions test understanding of concepts like crystal structure, reaction mechanisms, equilibrium expressions, oxidation states, hybridization, and acidity.
3. Single correct answers are to be chosen from four options for each question.
1. The document contains a past paper for UPSEE chemistry with 46 multiple choice questions covering various chemistry topics.
2. The questions are single answer multiple choice questions testing knowledge of topics including stoichiometry, organic chemistry, thermodynamics, coordination chemistry, and more.
3. The questions range in difficulty from calculating quantities based on chemical equations to identifying IUPAC names and reaction mechanisms.
This document contains a 50 question chemistry exam from 2003 on various topics including:
- Hybridization of carbon atoms in benzene
- Compounds that give acetone on ozonolysis
- Distinguishing p-chloroaniline and anilinium hydrogen chloride
- The role of aluminium in alumino thermic processes
The questions cover a wide range of chemistry topics testing knowledge of reactions, compounds, electronic configurations, bond energies, states of matter, acid-base properties, and thermodynamics. The exam is in a multiple choice format with one correct answer out of four choices for each question.
This document contains an unsolved chemistry paper from 2008 with 40 multiple choice questions testing concepts related to organic chemistry, inorganic chemistry, and physical chemistry. The questions cover topics such as reaction mechanisms, properties of compounds, oxidation states, naming of compounds, and stoichiometry.
The document provides a chemistry exam paper from 2004 containing 40 multiple choice questions testing various concepts in chemistry. The questions cover topics such as photon mass, quantum numbers, bond orders, molecular orbitals, acidity trends, coordination complexes stability, hydrogenation reactions, isomerism, hybridization, electrode potentials, nuclear reactions, organic naming/structure, polymers, DNA, dyes, and pharmaceutical drugs.
This document contains an unsolved chemistry exam from 2006 consisting of 59 multiple choice questions testing concepts related to general chemistry, organic chemistry, and inorganic chemistry. The questions cover topics such as chemical bonding, stoichiometry, thermodynamics, reaction mechanisms, and properties of common substances and elements.
The document provides a chemistry exam paper from 2005 containing 40 multiple choice questions testing knowledge of topics including stoichiometry, atomic structure, thermodynamics, organic chemistry, coordination chemistry, and biochemistry. The questions cover the calculation of molarity from mass and volume, assigning electronic configurations to atoms and ions, determining enthalpy and entropy values in chemical reactions, identifying reaction mechanisms and products, describing properties of coordination complexes and group 14 elements, outlining enzyme functions, and more.
This document contains a 50 question chemistry exam with multiple choice answers. The exam covers topics such as: oxidation and reduction reactions, hydrogen bonding, properties of acids and bases, ionization energies, organic naming conventions, reaction mechanisms, and more. For each question, students must select the best answer among 4 choices (A, B, C, or D). The full solutions are available online at the listed website.
This document contains an unsolved chemistry paper from 1996 containing 50 multiple choice questions. The questions cover a wide range of chemistry topics including properties of elements, chemical reactions, stoichiometry, acid-base reactions, and organic chemistry. No answers are provided for the questions.
1. This document contains an unsolved chemistry exam paper from 2003 with 43 multiple choice questions covering topics like atomic structure, chemical bonding, thermodynamics, kinetics and equilibrium.
2. The questions test understanding of concepts like Bohr model, de Broglie wavelength, Lewis structures, IUPAC naming, acid-base reactions, salt solubility, electrolysis, redox reactions and more.
3. The document provides the questions and multiple choice answers but no solutions, making it a challenging practice exam for reviewing core chemistry topics.
1. The document contains an unsolved chemistry practice test with 43 multiple choice questions and answers related to topics like atomic structure, chemical bonding, thermodynamics, kinetics and equilibrium.
2. The questions cover concepts such as Bohr model, de Broglie wavelength, Lewis structures, IUPAC naming, acid-base reactions, salt solubility, electrochemistry and more.
3. The document provides the questions and answer options but does not include the correct answers. It is intended as a practice test for students or as a reference for teachers.
This document contains an unsolved chemistry exam from 1998 containing 50 multiple choice questions testing knowledge of chemistry concepts and principles. The questions cover topics including chemical compounds and reactions, periodic table properties, organic chemistry, polymers, and environmental chemistry. An answer key is provided to check solutions.
The document is a past paper for the AIEEE chemistry exam from 2007 containing 40 multiple choice questions related to chemistry concepts and calculations. The questions cover topics like thermodynamics, electrochemistry, acid-base chemistry, organic chemistry reactions, and properties of elements.
The document is a past paper for the AIEEE chemistry exam from 2007 containing 40 multiple choice questions related to chemistry concepts and calculations. The questions cover topics like thermodynamics, electrochemistry, acid-base chemistry, organic chemistry reactions, and properties of elements.
This document contains a 30 question chemistry practice test from 2010 with multiple choice answers for each question. The questions cover topics like thermodynamics, kinetics, equilibrium, electrochemistry, organic chemistry, and more. The test is divided into two sections, with the first section containing 30 single answer multiple choice questions, and the second section containing additional questions and information to be provided on the website listed.
Similar to UPSEE - Chemistry -1999 Unsolved Paper (15)
The document contains 30 multiple choice questions from past CAT papers related to topics like ratios, percentages, time/work problems, profit/loss, data interpretation from charts/graphs, geometry, and other quantitative reasoning questions. The questions are from different sections and include calculations, data analysis, and logical reasoning to arrive at the answer choices provided.
The passage discusses Deborah Mayo's philosophy of science, which focuses on rigorously validating claims made through experimentation. According to Mayo, a claim can only be considered supported by an experiment if the experiment investigates and eliminates all possible ways the claim could be false. For an experiment to serve as a severe test of a claim, the claim would have to be unlikely to pass the experiment if it were false. The passage provides examples to illustrate this point, such as how imprecise measurements of Snell's law of refraction would allow alternative historical laws to also seem consistent with the experimental results, demonstrating the experiment was not a true severe test of Snell's law.
This document contains a past paper for the GATE electrical engineering exam from 2009. It consists of 30 multiple choice questions testing concepts in areas like circuits, electronics, power systems, control systems, and digital electronics. The questions cover topics such as dynamometer wattmeters, error analysis in measurement systems, circuit analysis, characteristics of generators and motors, properties of semiconductors, logic gates, transformers, stability analysis, and more.
This document contains an unsolved past paper on electrical engineering from 2008. It consists of 35 multiple choice questions testing concepts related to electrical circuits, signals and systems, electronics, electromagnetic fields, and power systems. The questions cover topics such as circuit analysis, Thevenin's theorem, Fourier analysis, Laplace transforms, diodes, op-amps, transformers, transmission lines, motors, and more.
This document contains an unsolved past paper for the GATE electrical engineering exam from 2007. It consists of 30 multiple choice questions covering various topics in electrical engineering, including circuits, electronics, power systems, control systems, and electromagnetics. The questions test fundamental concepts as well as numerical and analytical problem solving abilities.
1) The passage provides a past paper for the Electrical Engineering GATE exam with 27 multiple choice questions covering topics like signals, circuits, transformers, machines, and more.
2) For each question, 4 possible answers are given labeled a, b, c, or d and the correct answer must be indicated in the answer book.
3) The questions cover topics testing knowledge of properties of signals, circuit analysis, transformer operation, machine operation, transmission lines, relays, power converters, sampling, diodes, state space representations, allpass systems, oscilloscopes, and more.
1. The document contains 44 multiple choice questions related to electrical engineering from an unsolved past paper from 2005.
2. The questions cover a wide range of topics including circuits, electronics, power systems, control systems, signals and systems, and probability and statistics.
3. Each question has 4 possible answer choices and tests concepts such as circuit analysis, transformer parameters, motor characteristics, feedback systems, and probability calculations.
This document contains an unsolved past paper for the GATE electrical engineering exam from 2004. It includes 46 multiple choice questions testing concepts in electrical circuits, electronics, electric machines, power systems and measurements. The questions cover topics such as parallel resonance, capacitors, inductors, transformers, motors, power supplies, and more.
1. The passage contains an unsolved past paper for the GATE electrical engineering exam from 2010.
2. It consists of 34 single answer multiple choice questions related to topics in electrical engineering.
3. The questions cover areas like signals and systems, electromagnetics, power systems, control systems, electrical machines, and electronics.
This document contains a physics exam from 2006 with 40 multiple choice questions covering topics like:
1) Sound waves and the Doppler effect
2) Electric currents and magnetic fields
3) Thermal properties of materials
4) Optics including lenses, mirrors, and the photoelectric effect
The questions are in a single-answer multiple choice format testing conceptual understanding of core physics principles. The document provides context for understanding physics exam questions from over 15 years ago.
1) This document contains a past physics exam paper with 34 multiple choice questions covering topics in mechanics, thermodynamics, electricity and magnetism.
2) The questions test conceptual understanding of physics concepts like circular motion, work, energy, simple harmonic motion, capacitors, electric and magnetic fields.
3) Multiple choices with a single correct answer are provided for each question. Test takers must indicate their choice of the correct answer in their answer book.
The document contains 38 physics problems from an unsolved past paper from 2004. Each problem has 4 multiple choice answers. The problems cover topics such as simple pendulums, Young's modulus, electric fields, resistors, projectile motion, circular motion, waves, lenses, thermodynamics, photoelectric effect, semiconductors, and simple harmonic motion.
This document contains a physics exam with 39 multiple choice questions covering topics like kinematics, optics, electricity, magnetism, modern physics, and thermodynamics. The questions provide information about a physical situation and ask the test taker to choose the correct answer from four options regarding some property of the situation, such as displacement, velocity, wavelength, or energy.
This document contains an unsolved physics test from 2002 consisting of 50 multiple choice questions covering topics in physics. The questions cover topics such as semiconductors, capacitors, lenses, waves, sound, light, mirrors, telescopes, thermodynamics, electricity, magnetism, quantum mechanics, and more. For each question, four possible answers are provided and the test-taker must select the correct answer.
1. The document contains 40 multiple choice questions from a physics exam.
2. The questions cover topics in physics including optics, electromagnetism, mechanics, thermodynamics, and modern physics.
3. For each question, 4 possible answers are provided and the test taker must select the correct answer.
1. The document contains a past physics exam paper with 42 multiple choice questions covering topics in physics.
2. The questions cover concepts in electricity, optics, mechanics, thermodynamics, modern physics and more.
3. For each question, 4 possible answers are provided labelled a, b, c, or d and examinees must select the correct answer.
This document contains a past physics exam with 44 multiple choice questions covering various physics topics. The questions cover concepts such as mechanics, electricity, waves, optics, and thermodynamics. The document provides the question stem and 4 possible answer choices for each question.
1. The document contains a physics exam paper with 32 multiple choice questions covering topics in optics, mechanics, electricity, magnetism, atomic physics, and nuclear physics.
2. For each question, 4 possible answers are provided labelled a, b, c, or d and the correct answer must be identified.
3. The questions cover calculating magnification of a telescope, properties of lenses, diffraction patterns, interference, blackbody radiation, units of work, projectile motion, satellite communications, centrifugal force, vector calculations, friction, planetary rotation, bullet velocity, magnetic fields, electric fields, circuits, self-inductance, electromagnetic induction, magnetic moments, particle wavelengths, photoelectric effect, nuclear scattering, atomic
This document contains a physics exam from 1996 containing 36 multiple choice questions. The questions cover topics such as transistors, stars, electromagnetism, materials properties, kinematics, dynamics, work, energy, oscillations, satellites, optics, sound, and thermodynamics. For each question there are 4 possible answers labeled a, b, c, or d and the test-taker is asked to indicate the correct answer in their answer book.
1. The document contains a 34-question physics exam with multiple choice answers for each question.
2. The questions cover topics in mechanics, thermodynamics, optics, electricity and magnetism, modern physics, and semiconductors.
3. For each question, the examinee must select the letter (a, b, c, or d) that corresponds to the correct multiple choice answer.
This presentation was provided by Rebecca Benner, Ph.D., of the American Society of Anesthesiologists, for the second session of NISO's 2024 Training Series "DEIA in the Scholarly Landscape." Session Two: 'Expanding Pathways to Publishing Careers,' was held June 13, 2024.
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In this presentation, we will explore how barcodes can be leveraged within Odoo 17 to streamline our manufacturing processes. We will cover the configuration steps, how to utilize barcodes in different manufacturing scenarios, and the overall benefits of implementing this technology.
THE SACRIFICE HOW PRO-PALESTINE PROTESTS STUDENTS ARE SACRIFICING TO CHANGE T...indexPub
The recent surge in pro-Palestine student activism has prompted significant responses from universities, ranging from negotiations and divestment commitments to increased transparency about investments in companies supporting the war on Gaza. This activism has led to the cessation of student encampments but also highlighted the substantial sacrifices made by students, including academic disruptions and personal risks. The primary drivers of these protests are poor university administration, lack of transparency, and inadequate communication between officials and students. This study examines the profound emotional, psychological, and professional impacts on students engaged in pro-Palestine protests, focusing on Generation Z's (Gen-Z) activism dynamics. This paper explores the significant sacrifices made by these students and even the professors supporting the pro-Palestine movement, with a focus on recent global movements. Through an in-depth analysis of printed and electronic media, the study examines the impacts of these sacrifices on the academic and personal lives of those involved. The paper highlights examples from various universities, demonstrating student activism's long-term and short-term effects, including disciplinary actions, social backlash, and career implications. The researchers also explore the broader implications of student sacrifices. The findings reveal that these sacrifices are driven by a profound commitment to justice and human rights, and are influenced by the increasing availability of information, peer interactions, and personal convictions. The study also discusses the broader implications of this activism, comparing it to historical precedents and assessing its potential to influence policy and public opinion. The emotional and psychological toll on student activists is significant, but their sense of purpose and community support mitigates some of these challenges. However, the researchers call for acknowledging the broader Impact of these sacrifices on the future global movement of FreePalestine.
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Iván Bornacelly, Policy Analyst at the OECD Centre for Skills, OECD, presents at the webinar 'Tackling job market gaps with a skills-first approach' on 12 June 2024
2. SECTION – I
Single Correct Answer Type
There are five parts in this question. Four choices are given for each part and one of them is
correct. Indicate you choice of the correct answer for each part in your answer-book by
writing the letter (a), (b), (c) or (d) whichever is appropriate
3. 01 Problem
Which has the highest e/m ratio?
a. He2+
b. H2
c. He+
d. D+
4. 02 Problem
The electrons, identified by quantum numbers n and l:
(i) n=4,l=1
(ii) n=4,l=0
(iii) n=3,l=2
(iv) n=4,l=1can be placed in order of increasing energy from the lowest to highest
as :
a. (iv) < (ii) < (iii) < (i)
b. (ii) < (iv) < (i) < (iv)
c. (i) < (iii) < (ii) < (iv)
d. (iii) < (i) < (iv) < (ii)
5. 03 Problem
What is the correct orbital designation of an electron with the quantum
number, n = 4, l = 3, m = -2, s = 1/2 ?
a. 3s
b. 4f
c. 5p
d. 6s
6. 04 Problem
Electron affinity is maximum for :
a. Cl
b. F
c. Br
d. I
7. 05 Problem
Which one of the following has largest size ?
a. Al
b. Al3+
c. Al+
d. Al2+
8. 06 Problem
The ionization potential order for which set is correct ?
a. Cs < Li < K
b. Cs > Li > B
c. Li > K > cs
d. B > Li > K
9. 07 Problem
The hydrogen bond is strongest in :
a. O – H ……….S
b. F – H ………...O
c. S – H ……….. O
d. F – H ………. F
10. 08 Problem
The molecule which has zero dipole moment is :
a. CH3Cl
b. NF3
c. BF3
d. ClO2
11. 09 Problem
The compound which contains both ionic and covalent bond :
a. KCl
b. KCN
c. CH4
d. H2
12. 10 Problem
Hydrogen bonding would not affect the boiling point of :
a. CH3OH
b. HI
c. H2O
d. NH3
13. 11 Problem
The half-life period of 92U238 is 4.5 x 109 Yr. After how many years, the amount
238
92U will be reduced to half of its present amount :
a. 4.5 x 104.5 yr
b. 4.5 x 109 yr
c. 9.0 x yr
d. 13.5 x 109 yr
14. 12 Problem
C – 14 has a half-life of 5760 yr. 100 mg of sample containing C-14 is reduced to
25 mg in :
a. 17280 yr
b. 1440 yr
c. 2880 yr
d. 11520 yr
15. 13 Problem
The density of neon will be highest at :
a. 00C, 2 atm
b. 2730C, 2 atm
c. STP
d. 2730C, 1 atm
16. 14 Problem
One mole of CO2 contains :
a. 3g atoms of CO2
b. 18.1 x 1023 molecules of CO2
c. 6.02 x 1023 atoms of O
d. 6.02 x 1023 atom of C
17. 15 Problem
The root mean square velocity of a gas its doubled when the temperature is :
a. Increased four times
b. Increased two times
c. Reduced to half
d. Reduced to one fourth
18. 16 Problem
Volume of gas at NTP is 1.12 x 10-7 cm3. The number of molecules in it is :
a. 3.01 x 1012
b. 3.01 x 1024
c. 3.01 x 1023
d. 3.01 x 1020
19. 17 Problem
The existence of substance in more than one physical forms is known as :
a. Isotropy
b. Allotropy
c. Amorphism
d. None of these
20. 18 Problem
At 250C,the highest osmotic pressure is exhibited by 0.1 M solution of :
a. Urea
b. Glucose
c. KCl
d. CaCl2
21. 19 Problem
4.0 g of NaOH is dissolved in 100 mL solution The normality of the
solution is
a. 0.1 N
b. 0.5 N
c. 4.0 N
d. 1.0 N
22. 20 Problem
Which of the following pairs of solution are isotonic at the same temperature ?
a. 0.1 M Ca(NO3)2 and 0.1 M Na2SO4
b. 0.1 M NaCl and 0.1 M Na2SO4
c. 0.1 M urea and 0.1 M MgCl2
d. 0.2 M urea and 0.1 M NaCl
23. 21 Problem
The vapour pressure of pure benzene at a certain temperature is 640 mm Hg. A
non volatile non-electrolyte solid weighing 2.175 g is added to 39.0 g benzene.
The vapour pressure of the solution is 600 mm. What is the molecular weight of
the solid substance ?
a. 62.25
b. 52.65
c. 69.6
d. 25.65
24. 22 Problem
The molarity of pure water is :
a. 50 M
b. 18 M
c. 55.6 M
d. 100 M
25. 23 Problem
How many atoms are contained in one mole of sucrose (C12H22O11) ?
a. 20 x 6.02 x 1023 atoms/mol
b. 45 x 6.02 x 1023 atoms/mol
c. 5 x 6.02 x 1023 atoms/mol
d. none of the above
26. 24 Problem
For an electrolyte elevation in boiling point is directly proportional to :
a. Molarity
b. Molality
c. Mole fraction
d. All of these
27. 25 Problem
The equivalent weight of KMnO4 for acid solution is
a. 79
b. 52.16
c. 158
d. 31.6
28. 26 Problem
Gold number is the index for :
a. Electroplated gold
b. metallic gold
c. protective colloid
d. purity of gold
29. 27 Problem
Which of the following electrolytes is least effective in coagulating ferric
hydroxide solution ?
a. KBr
b. K2SO4
c. K2CrO4
d. K4[Fe(CN)6]
30. 28 Problem
The equilibrium constant for the reversible reaction N2 + 3H2 2NH3 is K and
1 3
for Reaction 2 N2 2
H2 NH3 , the equilibrium constant is K’. The K and K’ will
be related as :
K x K’ = 1
K = K’
K’ = K
K= K'
31. 29 Problem
The equilibrium constant for a reaction, N2(g) + O2(g) 2NO(g) is 4 x 10-4 at
2000 K. In the presence of catalyst, the equilibrium is attained 10 times faster.
The equilibrium constant in presence of catalyst at 2000 K is :
a. 10 x 10– 4
b. 4 x 10– 2
c. 4 x 10– 4
d. 40 x 10– 4
32. 30 Problem
For nth order reaction, the half-life period t1/2 is proportional to initial
concentration as :
1
a.
an 1
n 1
b. a
c. an 1
1
d. an
33. 31 Problem
What is the half-life of a radioactive substance if 5% of any given amount of the
substance disintegrates in 40 min ?
a. 20 min
b. 10 min
c. 13 min 25 sec
d. 160 min
34. 32 Problem
The rate of reaction is doubled for every 100 rise in temperature. The increase in
reaction rate as a result of temperature rise from 100C to 1000C is :
a. 614
b. 400
c. 512
d. 112
35. 33 Problem
Catalytic poisons act by :
a. Making the products chemically inactive
b. Increasing the rate of the backward reaction
c. Chemical combination with any one of the reactants
d. Preferential adsorption on the catalyst surface
36. 34 Problem
The following is endothermic reaction :
a. Decomposition of water
b. Conversion of graphite to diamond
c. Dehydrogenation of ethane to ethylene
d. All of the above
37. 35 Problem
When ice melts into water, the entropy :
a. Becomes zero
b. Remains same
c. Decrease
d. Increases
38. 36 Problem
The heat of neutralization of strong base and strong acid is 57.0 kJ. The heat
released when 0.5 mol of HNO3 is added to 0.20 moles of NaOH solution is :
a. 34.9 kJ
b. 57.0 kJ
c. 11.4 kJ
d. 28.5 kJ
39. 37 Problem
A silver cup is plated with silver by passing 965C of electricity. The
amount of Ag deposited, is :
a. 107.89 g
b. 9.89 g
c. 1.0002 g
d. 1.08 g
40. 38 Problem
Total charge on 1 mole of a monovalent metal ion is equal to :
a. 9.65 x 104 C
b. 1.6 x 10-19 C
c. 6.2 x 1018 C
d. none of these
41. 39 Problem
Which is Lewis acid ?
a. BF3
b. NF3
c. Cl-
d. H2O
42. 40 Problem
The dissociation constants of two weak acids are K1 and K2. The relative strength
of two acids is given by :
3/2
K1
a. K2
1/2
K1
b.
K2
K1 K2
c.
K2 K1
K1
d.
K2
43. 41 Problem
The pH of an acidic buffer mixture is :
a. > 7
b. = 7
c. < 7
d. depends upon Ka of the acid
44. 42 Problem
The pH of 10-10 M NaOH solution is nearest to :
a. 4
b. -10
c. 4
d. 7
45. 43 Problem
For weak acid-strong base titration, the indicator used is :
a. Phenolphthalein
b. Litmus
c. Methyl orange
d. K2Cr2O7
46. 44 Problem
Which one has maximum solubility in liquid CCl4 ?
a. NaCl
b. Cl2
c. I2
d. Br2
47. 45 Problem
The solubility of AgCl in 0.2 M NaCl solution is : (Ksp of AgCl = 1.20 x 10-
10) :
a. 6.0 x 10-10 M
b. 0.2 M
c. 1.2 x 10-10 M
d. 0.2 x 10-10 M
48. 46 Problem
Oxidation number of N in HNO3 is :
a. - 3.5
b. + 3.5
c. - 3, + 5
d. + 5
49. 47 Problem
The oxidation state of Fe in Fe3O4 is :
a. + 3
b. 8 /3
c. + 6
d. + 2
50. 48 Problem
Which of the following order of ionisation energy is correct ?
a. Be > B > C > N < O
b. B < Be > C < O < N
c. Be > B > C > N > O
d. B < Be < N < C < O
51. 49 Problem
Which one has least ionization potential is :
a. Ne
b. N
c. O
d. F
52. 50 Problem
Number of elements presents in the fifth period of periodic table is :
a. 32
b. 10
c. 18
d. 8
53. 51 Problem
Element with electronic configuration 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p3
belongs to the following group of the periodic table :
a. 2nd
b. 5th
c. 3rd
d. 7th
54. 52 Problem
Which one has the highest boiling point ?
a. H2
b. Xe
c. CH4
d. He
55. 53 Problem
Malachite is an ore of :
a. Fe
b. Zn
c. Hg
d. Cu
56. 54 Problem
In the Hoope’s process of aluminium extraction, the fused materials in three
different layer. These layers remain separated even in electrolytic reduction,
because :
a. Cell has the arrangement for separation
b. All the layers have different densities
c. All the layers are at different temperature
d. Upper layer is attracted by cathode and lower layer is attracted by anode
57. 55 Problem
Amalgams are :
a. Always in liquid state
b. Highly coloured alloys
c. Alloys which have a great resistance to abrasion
d. Alloys which contain Hg as one of the constituents
58. 56 Problem
Gun metal is an alloy of :
a. Cu and Al
b. Cu and Sn
c. Cu, Zn and Sn
d. Cu, Zn and Ni
59. 57 Problem
The amount of H2O2 present in 1 L of 1.5 N H2O2 solution, is :
a. 25.5 g
b. 3.0 g
c. 8.0 g
d. 2.5 g
60. 58 Problem
The number of moles of H2 in 0.224 L of hydrogen gas at STP (273 K, 1 atm), is :
a. 0.1
b. 0.01
c. 0.001
d. 1
61. 59 Problem
Which one of these is basic ?
a. SiO2
b. SO2
c. CO2
d. Na2O
62. 60 Problem
Baking soda is :
a. NaHCO3
b. K2CO3
c. Na2CO3
d. NaOH
63. 61 Problem
Which one of the following salts does not impart colour to the flame ?
a. KI
b. LiCl
c. CaCl2
d. MgCl2
64. 62 Problem
Alum is :
a. FeSO4(NH4)2SO4. 24H2O
b. Na2SO4 . Al2 (SO4)3 . H2O
c. KCl . MgCl2 . 6H2O
d. NaAlO2
65. 63 Problem
Which one of the following is not an allotrope of carbon ?
a. Carborundum
b. Diamond
c. Soot
d. Graphite
66. 64 Problem
Which of the following oxides in neutral ?
a. N2O3
b. N2O4
c. N2O5
d. N2O
67. 65 Problem
Ferming’s salt is :
a. HF
b. NaCl
c. KClO3
d. KHF2
68. 66 Problem
Freons are :
a. CClF3
b. CFCl3
c. CCl2F2
d. All of these
69. 67 Problem
Of the ions Zn2+, Ni2+ and Cr3+ (atomic number of Zn = 30, Ni = 28 and Cr = 24)
a. All these are colourless
b. All these are coloured
c. Only Ni2+ is coloured and Zn2+ and Cr3+ are colourless
d. Only Zn2+ is colourless and Ni2+ and Cr3+ are coloured
70. 68 Problem
Correct electronic configuration of Cr (Z = 24) is :
a. 1s22s22p63s2 3p6 3d7 4s1
b. 1s22s22p63s2 3p6 3d5 4s1
c. 1s22s22p63s2 3p6 3d7 4s5
d. 1s22s22p63s2 3p6 3d6 4s2
71. 69 Problem
In haemoglobin the iron is in the following oxidation state :
a. + 4
b. + 2
c. + 3
d. +1
72. 70 Problem
Empirical formula of hydrocarbon containing 80% carbon and 20% hydrogen is :
a. CH3
b. CH4
c. CH
d. CH2
73. 71 Problem
The order of decreasing stability of the carbanions is :
(CH3 )3 C 1 , CH3 2
CH 2 , CH3CH2 (3), C6 H5CH2 4
a. 1 > 2 > 3 > 4
b. 4 > 3 > 2 > 1
c. 1 > 2 > 4 > 3
d. 4 > 1 > 2 > 3
74. 72 Problem
The hybridization of carbon atom in C – C single bond of H2C = CH – CH = CH2 is :
a. sp3 - sp
b. sp2 - sp
c. sp2 – sp2
d. sp3 – sp3
75. 73 Problem
Which of the following is optically active ?
76. 74 Problem
Total number of structural isomers possible for C3H6 are :
a. 2
b. 1
c. 4
d. 3
77. 75 Problem
C7H7Cl has in all ………. Isomers :
a. 5
b. 2
c. 4
d. 3
78. 76 Problem
Which one of the following is the strongest bond ?
79. 77 Problem
Which one of the following is the strongest bond ?
Which is the decreasing order of reactivity among the following compounds
towards electrophilic substitution reaction ?
(I) chlorobenzene (II) benzene (III) anilinium chloride (IV) toluene
a. IV > II > I > III
b. I > IV > II > III
c. III > I > II > IV
d. I > II > III > IV
80. 78 Problem
A new C – C bond is formed in :
a. A Cannizaro’s reaction
b. Reimer-Tiemann reaction
c. Friedel-Crafts reaction
d. Celmmensen reaction
81. 79 Problem
Reaction of chloroform with KOH in presence of a primary aromatic amine is
called :
a. Carbylamine reaction
b. Reduction
c. Hydrolysis
d. Wurtz reaction
82. 80 Problem
Polymer of chloroethylene is :
a. PVC
b. Nylon
c. Teflon
d. Terylene
83. 81 Problem
Silver benzoate will react with bromine in acetone to form :
84. 82 Problem
Which one of the following is not formed when glycerol reacts with HI ?
a. CH3 – CHI – CH3
b. CH3 – CH = CH2
c. CH2OH – CHI – CH2OH
d. CH2 = CH – CH2I
85. 83 Problem
ClCH2CH2OH is stronger acid then CH3CH2OH because of :
a. - I effect of Cl increases negative charge on O atom of alcohol
b. - I effect of Cl disperses negative charge on O atom to produce more stable
cation
c. - I effect of Cl disperses negative charge on O atom to produce more stable
anion
d. none of the above
86. 84 Problem
Acidity of phenol is due to :
a. Hydrogen bonding
b. Phenolic group
c. Benzene ring
d. Resonance stabilization of is anion
87. 85 Problem
Which of the following compounds is optically active ?
a. CH3CHClCOOH
b. CH3CH2CH2CH3
c. (CH3)2CHOH
d. (CH3)3CCl
88. 86 Problem
Aldol condensation would not occur in :
a. CH3COCH3
b. CH3CH2CHO
c. HCHO
d. CH3CHO
89. 87 Problem
Reduction of nitrobenzene in the presence of Zn/NH4Cl gives :
a. Azobenzene
b. Hydrazobenezene
c. N-phenyl hydroxyl amine
d. Aniline
90. 88 Problem
On reduction secondary amine is given by :
a. Nitroethane
b. Methylcyanide
c. Methyliscoyanide
d. Nitrobenzene
91. 89 Problem
The change in optical rotation of freshly prepared solution of cane sugar with
time is known as :
a. Mutarotation
b. Inversion
c. Specific rotation
d. Rotation motion
93. 91 Problem
Example of addition polymer is :
a. Melamine
b. Bakelite
c. Buna S
d. Nylon 6
94. 92 Problem
Addition polymerization is catalyses by :
a. malamine
b. Lewis acids
c. Free radicals
d. All of the above
95. 93 Problem
Select the correct order of the strength of acids given below :
a. HClO4 < HClO3 < HClO < HClO2
b. HClO4 < HClO3 < HClO2 < HClO
c. HClO4 < HClO3 < HClO2 < HClO4
d. None of these
96. 94 Problem
Acetic anhydride reacts with diethyl ether in the presence of anhydrous AlCl3 to
give :
a. CH3CH2COOH
b. CH3CH2COOCH2CH3
c. CH3COOCH3
d. CH3COOC2H5
97. 95 Problem
Fenton reagent is :
a. Zn + HCl
b. Sn + HCl
c. FeSO4 + H2O2
d. None of the above
98. 96 Problem
The product formed by heating iodoform with KOH is :
a. HCHO
b. HCOOK
c. CH3COOK
d. CH3CHO
99. 97 Problem
The energy of an electron in second Bohr orbit of hydrogen atom is :
a. - 5.44 x 10-19 eV
b. - 5.44 x 10-19 cal
c. - 5.44 x 10-19 kJ
d. - 5.44 x 10-19 J
100. 98 Problem
The emf of the cell Ni |Ni2+| (1.0M)| |Ai3+ (1.0M)| Au is Eo Ni2+, Ni = - 0.25 V and
E0 Au3+, Au = + 1.5 V :
a. 2.00 V
b. 1.25 V
c. - 1.25 V
d. 1.75 V
101. 99 Problem
The empirical formula of an acid is CH2O2, the probable molecular formula of acid
may be :
a. CH3COOH
b. C3H7COOH
c. HCOOH
d. C2H5COOH
102. 100 Problem
The strongest reducing agent among the alkali metals is :
a. Li
b. Na
c. K
d. Cs