KIMIA TINGKATAN 4:- Modul Multimedia Syaurah Ashikin UPSI 2013
Link video yang terdapat dalam slide:
1. http://www.youtube.com/watch?v=4fMMhxq9rZ8&feature=youtu.be
2. http://www.youtube.com/watch?v=HVwnF7n8r7k
Sharing Is Caring (^_^)
KIMIA TINGKATAN 4:- Modul Multimedia Syaurah Ashikin UPSI 2013
Link video yang terdapat dalam slide:
1. http://www.youtube.com/watch?v=4fMMhxq9rZ8&feature=youtu.be
2. http://www.youtube.com/watch?v=HVwnF7n8r7k
Sharing Is Caring (^_^)
ikatan ion terbentuk melalui proses derma dan terima elektron.Atom menderma/menerima elektron untuk membentuk ion di mana susunan elektron bagi ion adalah duplet/oktet (stabil).Susunan elektron ini adalah sama dengan susunan elektron bagi gas nadir.Daya elektrostatik yang kuat menarik kation dan anion untuk datang dekat dan membentuk sebation ion.
This document contains a 25 question multiple choice test on the structure of the atom. The questions cover topics like the differences between atoms and ions, kinetic theory, states of matter, phase changes, atomic structure, isotopes, and the number of protons, neutrons and electrons in atoms.
1. The document is a chemistry test paper containing multiple choice questions about chemical formulae and equations.
2. It tests students on topics like relative atomic mass, mole calculations, empirical formulae, gas volume calculations and stoichiometry.
3. The questions range in difficulty from calculating moles and masses to balancing chemical equations and solving multi-step stoichiometry problems.
ikatan ion terbentuk melalui proses derma dan terima elektron.Atom menderma/menerima elektron untuk membentuk ion di mana susunan elektron bagi ion adalah duplet/oktet (stabil).Susunan elektron ini adalah sama dengan susunan elektron bagi gas nadir.Daya elektrostatik yang kuat menarik kation dan anion untuk datang dekat dan membentuk sebation ion.
This document contains a 25 question multiple choice test on the structure of the atom. The questions cover topics like the differences between atoms and ions, kinetic theory, states of matter, phase changes, atomic structure, isotopes, and the number of protons, neutrons and electrons in atoms.
1. The document is a chemistry test paper containing multiple choice questions about chemical formulae and equations.
2. It tests students on topics like relative atomic mass, mole calculations, empirical formulae, gas volume calculations and stoichiometry.
3. The questions range in difficulty from calculating moles and masses to balancing chemical equations and solving multi-step stoichiometry problems.
This document contains a Sulit (confidential) topical test on electrochemistry. It consists of multiple choice questions testing understanding of concepts such as electrolytes, electrolysis of molten compounds, and electroplating. The questions provide diagrams of apparatus set ups and ask students to identify processes, reactions, and products of electrolysis experiments.
This document provides a chemistry exam review with 99 questions from the 2013 SPM exam. It includes the exam paper sections, topics covered in each year from 2008-2012, and the number of questions from each topic. It then lists the first 20 questions from the exam paper along with multiple choice answers. The questions cover topics like chemical bonding, acids and bases, rates of reaction, and electrochemistry.
- Matter is composed of particles called atoms and molecules. Atoms are the smallest particles that make up elements, and molecules are made of two or more bonded atoms.
- The structure of the atom has been discovered over time by scientists like Dalton, Thomson, Rutherford, Bohr, and Chadwick. We now know atoms have a tiny, dense nucleus containing protons and neutrons, surrounded by electrons.
- Isotopes are atoms of the same element with different numbers of neutrons. Some isotopes are unstable and radioactive, while others are stable. Radioactive isotopes have important applications in medicine, agriculture, and industry.
1. The document provides a topical test with 6 questions about chemical equations and stoichiometric calculations. It asks the student to write chemical equations for reactions involving sodium, magnesium carbonate, aluminum, copper nitrate, and iron. It also asks the student to calculate relative molecular mass, mass of atoms, relative molecular mass of a gas, a combustion reaction of magnesium, and the volume and number of oxygen molecules from the decomposition of hydrogen peroxide.
1. The document is a test on salts containing multiple choice questions.
2. It covers topics such as definitions of salts, types of salts, reactions to form salts, physical properties of salt crystals, and uses of different salts.
3. The questions require understanding of chemical equations, naming compounds, identifying reactants and products in reactions, and interpreting diagrams of experimental setups.
Dokumen tersebut memberikan informasi tentang jenis-jenis makanan utama (karbohidrat, protein, lemak, vitamin, garam mineral, pelawas) dan air serta kepentingan dan kesan kekurangannya. Ia juga menjelaskan jenis-jenis makanan sumber bagi setiap kategori nutrien dan bagaimana mereka berfungsi dalam tubuh.
1. The document describes 6 experiments involving chemical reactions and properties. It includes questions about the experiments and reactions.
2. Experiment 1 involves electrolysis of silver nitrate and copper sulfate solutions. Observations and half reactions are asked about.
3. Experiment 2 involves heating lead(II) carbonate and identifying the gas produced. Calculations of moles of gas are required.
The document provides guidelines for answering chemistry questions in the SPM examination, including:
- Guidelines for each paper including format, construct requirements and tips to score an A.
- Common command words used in paper 2 and 3 and their meanings.
- Detailed guidelines for answering questions in each paper, including requirements for describing experiments, chemical tests, and planning experiments.
- Requirements for drawing diagrams, graphs, and particle arrangements.
1) Chemical bonds can be either ionic or covalent. Ionic bonds form when electrons are transferred between metals and non-metals to form ions. Covalent bonds form when electrons are shared between non-metals.
2) Sodium chloride forms when sodium donates an electron to chlorine to form ions that are attracted in an ionic bond. Hydrogen molecule forms when hydrogen atoms share an electron pair in a single covalent bond.
3) Ionic compounds have high melting points, conduct electricity when molten or dissolved, and dissolve in water but not organic solvents. Covalent compounds have lower melting points, do not conduct electricity, and dissolve in organic solvents but not water.
This document contains sample problems related to quadratic equations and quadratic functions for Form 4 Additional Mathematics. It is divided into three sections - the first two sections contain sample problems testing concepts related to solving quadratic equations and inequalities. The third section contains sample problems related to identifying properties of quadratic functions such as finding the minimum or maximum value, range of a quadratic function, expressing a quadratic in standard form and sketching its graph.
This document contains a 50-question multiple choice test on chemistry concepts. The questions cover topics like chemical formulas, periodic trends, chemical bonding, stoichiometry, acid-base reactions, and organic chemistry. Each question is followed by 4 answer choices labelled A, B, C, or D.
Structure & essay Questions (periodic table of element)Mudzaffar Shah
The document provides information about elements on the periodic table including P, Q, R, S, T and U. It asks questions to test understanding of their positions, properties, and reactions. Specifically, it asks to:
1) Identify the positions of R, S, and T based on their provided characteristics.
2) Identify which element exists as a monoatomic gas.
3) Identify which of Q or S reacts more vigorously with water and write the balanced equation.
4) Write the formulas for the two acids produced when U dissolves in water and describe the observation with litmus paper.
5) Name the liquid produced when P reacts with R.
6)
The document is a syllabus for Additional Mathematics from the Ministry of Education Malaysia. It provides an introduction to Additional Mathematics and its importance in developing skills for science, technology, and careers. The syllabus aims to develop in-depth mathematical knowledge and problem-solving abilities. Objectives include enhancing problem-solving skills and relating mathematics to daily life and careers. The curriculum is organized into core and elective packages covering areas like algebra, calculus, trigonometry, and applications to science/technology and social sciences.
Marking scheme-chemistry-perfect-score-module-form-4-set-1Mudzaffar Shah
The document provides a marking scheme for a chemistry exam covering the structure of atoms and chemical equations. It includes questions and explanations for multiple choice and essay questions testing students' understanding of topics like atomic structure, chemical bonding, states of matter, and chemical reactions. Sample exam questions assess knowledge of concepts such as atomic number, mass number, electron configuration, phases of matter, and balanced chemical equations.
Structure & essay Questions (chemical bond)Mudzaffar Shah
Table 1 shows the proton numbers of elements P, Q, and R.
(1) P, Q, and R form ionic bonds when combined. PQ2 and R2Q have different properties - PQ2 has low melting/boiling points and is volatile, while R2Q has high melting/boiling points and can conduct electricity when molten.
(2) Table 2 shows elements W, Y, and Z. W and Z can form an ionic compound by W donating an electron to form W+ and Z accepting to form Z-. Y and Z form a covalent compound by Y sharing 4 electrons to form 4 single covalent bonds with 4 Z atoms.
This document contains a mathematics exam with questions on statistics and circular measure. The statistics section includes questions about mean, median, variance, standard deviation, and data distributions. The circular measure section focuses on converting between degrees and radians, calculating arc lengths and sector areas, and solving geometry problems involving circles. The exam provides the framework for a high school level additional mathematics assessment covering important topics in probability and trigonometry.
This document discusses natural polymers and monomers. Natural rubber is a natural polymer made of the monomer isoprene. It is elastic, easily oxidized by air, soft, and sensitive to heat. Common uses of natural rubber include footwear, tires, rubber threads, rubber foam, and conveyor belts.
Esters are carbon compounds that have characteristic functional groups and properties. They are formed through esterification reactions between alcohols and carboxylic acids. Esters have lower boiling points than the original carboxylic acids. They also have sweet smells and are used to flavor foods and fragrances. Common examples of esters found in nature include ethyl ethanoate which contributes to the smell of bananas.
Carboxylic acids have the general formula CnH2+1COOH and are prepared through ethanol oxidation. They have a carboxyl functional group and are colorless liquids at room temperature with low boiling points and sharp odors. Common uses include vinegar, insecticides, and plastics. They undergo chemical reactions with bases to form salts and water, with carbonate metals to form salts, water and carbon dioxide, and with metals to form salts and hydrogen.
1. The document discusses alcohols, which are organic compounds containing a hydroxyl (-OH) functional group. Alcohols are produced from carbohydrates through fermentation.
2. The general formula for alcohols is CnH2n+1OH. Butan-1-ol and butan-2-ol are examples of position isomers for butanol, where the hydroxyl group is located on different carbons of the butane chain.
3. Isomerism increases with longer carbon chains as there are more positions for the hydroxyl group to attach, producing different molecular structures with the same molecular formula.
The document outlines the key topics and concepts covered in the teaching of chemistry for Forms 4 and 5 in Malaysia. It includes two domains: 1) the foundation of chemistry including atomic structure, the periodic table, bonding types and chemical equations; and 2) solving numerical problems involving concepts such as concentration, temperature and catalysis. It also lists related topics like hydrocarbons, acids and bases, salts and redox reactions that build upon the foundational knowledge.
Alkenes are unsaturated hydrocarbons that contain at least one carbon-carbon double bond. They have lower melting and boiling points than alkanes due to weaker intermolecular forces and are soluble in organic solvents but not water. Alkenes undergo combustion reactions, addition reactions, and polymerization reactions. They react with bromine water and potassium permanganate solution, showing characteristics of alkenes.
Alkanes are a family of hydrocarbons whose general formula is CnH2n+2, where n is the number of carbon atoms. The document lists the molecular formula, name, structural formula, melting and boiling points of the first ten alkanes. It describes how physical properties like melting point, boiling point, and density increase with more carbon atoms. Alkanes are insoluble in water, do not conduct electricity, and undergo combustion reactions with oxygen and substitution reactions with halogens.
1. The melting point is the temperature at which a solid turns to a liquid, and the boiling point is the temperature at which a liquid turns to a gas, both at a definite pressure.
2. Figure 2 shows the heating of substance X. It melts from a solid to a liquid at temperature Q, then boils from a liquid to a gas at temperature R. During these phase changes, the bonds between particles break as energy is absorbed to overcome attractive forces.
3. Figure 3 shows the electron configuration of element M with an electron valence of 1. Atom X and Y are isotopes with the same number of protons but different neutrons, and atom Y is radioactive and used for carbon pathway detection
This document provides information about the structure of atoms and asks multiple choice and short answer questions. It includes:
1) A table showing the atomic structure of 5 elements with their atomic number and mass number.
2) Questions about the elements' chemical properties, electron configurations, valency electrons, and drawing atomic structures.
3) A diagram of an experiment investigating gas diffusion using iodine.
4) Questions about the type of diffusion, particle arrangements, state changes, and using kinetic theory to explain faster diffusion with heat.
The document tests understanding of atomic structure, chemical properties, states of matter, and kinetic theory through multiple choice, drawing, labeling and short answer questions.
This document provides information about the human digestive system and nutrition:
1) It includes diagrams of the digestive system labeling parts like the pancreas, liver, and esophagus. An enzyme found in the pancreas and its function are discussed.
2) Other parts of the digestive system are labeled like the stomach, small intestine, and large intestine. The stomach stores and breaks down food and the small intestine is where digestion ends.
3) Food groups like carbohydrates, proteins, fats, vitamins, minerals, and fiber are outlined along with their functions in the body.
4) A diagram shows the average daily energy needs vary between groups like babies, children, and adults. The
1) The sensory organs detect stimuli in the environment. The main senses in humans are sight, touch, smell, taste, and hearing. Each sense is associated with a specific sensory organ.
2) The skin is the sensory organ for touch. It contains receptors that detect changes in pressure, temperature, pain, and other stimuli. The skin has two main layers - the epidermis and dermis.
3) Smell receptors in the nose detect chemicals in inhaled air. The nose has a nasal cavity lined with mucus and smell receptors. When we smell something, sensory cells in the nose send signals to the brain.
Marking scheme-chemistry-perfect-score-module-form-4-set-5Mudzaffar Shah
The document provides information about manufactured substances in industry, including:
1) The Haber process is used to manufacture ammonia from nitrogen and hydrogen gases under high temperature and pressure. Ammonia is then used to produce fertilizers and other chemicals.
2) Synthetic polymers are large molecules composed of repeating monomer units joined by covalent bonds. Examples include polyethene from ethene monomers and polyvinyl chloride from chloroethylene monomers.
3) Composites are strong materials made by combining two or more components, such as reinforced concrete used in construction.
Marking scheme-chemistry-perfect-score-module-form-4-set-4Mudzaffar Shah
The document provides a marking scheme for an exam on acids, bases, and salts. It includes:
1) 11 multiple choice questions on acid-base concepts like neutralization reactions, ions present, calculating molarity, and distinguishing between strong/weak acids.
2) 9 more multiple choice questions testing identification of solutions, gas tests, and acid/base properties.
3) 10 essay questions requiring explanations of acid/base definitions, calculations of standard solutions, titration procedures, comparisons of acid types, and writing hypotheses and procedures for experiments.
4) Rubrics for grading lab reports with criteria like correctly recording burette readings, setting up tables, stating observations/inferences, and comparing
Marking scheme-chemistry-perfect-score-module-form-4-set-3Mudzaffar Shah
The document provides information on three electrolysis experiments involving different electrolytes and products observed at the anode and cathode. Experiment 1 uses sodium chloride solution, with chlorine gas produced at the anode and hydrogen gas at the cathode. Experiment 2 uses hydrochloric acid, producing oxygen gas at the anode and hydrogen gas at the cathode. Experiment 3 uses copper sulfate solution, with no ions being discharged and copper metal being deposited at the cathode through the oxidation of copper electrodes.
Chemistry perfect-score-module-form-4-set-5Mudzaffar Shah
The document describes an experiment to compare the hardness of copper and brass. Key points:
1. A steel ball bearing is dropped from a fixed height onto copper and brass blocks, leaving an indent.
2. The diameter of the indents is measured and recorded. Smaller diameters indicate greater hardness.
3. The average diameter of indents on copper (0.5 cm) is larger than on brass (0.3 cm), showing brass is harder than copper.
Chemistry perfect-score-module-form-4-set-4Mudzaffar Shah
This document discusses acids, bases, and salts. It defines acids as compounds that produce hydrogen ions (H+) or hydronium ions (H3O+) when dissolved in water. Bases are defined as substances that can neutralize acids to produce salts and water.
It discusses the properties of strong acids and bases versus weak acids and bases. Strong acids and bases fully dissociate in water, while weak acids and bases only partially dissociate.
The document also discusses monoprotic, diprotic, and triprotic acids based on the number of hydrogen ions they can donate. Equations are provided for the dissociation of several common acids like nitric acid, ethanoic acid, carbon
Chemistry perfect-score-module-form-4-set-3Mudzaffar Shah
1) Electrolysis involves passing an electric current through an electrolyte to cause non-spontaneous redox reactions to occur at the electrodes.
2) Products of electrolysis depend on the nature of the electrolyte and electrodes. Selective discharge of ions occurs based on their position in the electrochemical series.
3) Voltaic cells involve spontaneous redox reactions that generate electricity, with electrons flowing from the negative to the positive terminal.
Chemistry perfect-score-module-form-4-set-1Mudzaffar Shah
This document discusses the structure of atoms, including subatomic particles, isotopes, and physical states of matter. It also provides examples of chemical reactions and questions to test understanding of atomic structure concepts. Specifically, it defines atoms as composed of subatomic particles like protons, neutrons, and electrons. It discusses isotopes having the same number of protons but different numbers of neutrons. Examples are provided of physical changes of state when heating or cooling matter. Chemical reactions discussed include the reaction of ammonia and hydrochloric acid to form water vapor.