The document is a science module on land and its resources from the Malaysian Ministry of Education. It contains 44 questions testing students' understanding of English language concepts related to land resources, including minerals, fossil fuels, metals, and chemical reactions and compounds found in the earth's crust. The questions cover topics like properties of minerals and metals, chemical formulas, and extraction and uses of materials like petroleum and silicon compounds.
The document is a science module in English on the topic of land and its resources for Malaysian students. It contains instructions, questions, figures and tables related to minerals, rocks, fossil fuels and other earth science topics. The questions assess students' understanding of concepts, terms and knowledge in English.
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.
1) The document provides a chemistry exam for Class XII students with three sections - multiple choice questions, short answer questions, and descriptive answer questions.
2) The multiple choice section contains 16 questions testing concepts across the chemistry curriculum.
3) The short answer section contains 8 questions requiring students to provide explanations, equations, or names for various chemistry concepts.
4) The descriptive answer section provides 3 essay questions where students must explain processes, properties, or reactions in fuller detail. The exam aims to comprehensively test students' understanding of chemistry.
This document is a standardized test for chemistry taken by students in Form 4 at a Malaysian secondary school. It consists of 3 sections - Section A with 20 objective questions, Section B with 3 subjective questions, and Section C with 1 essay question. The test covers topics in chemistry including chemical equations, properties of substances, polymers, electrolysis, electrochemistry and industrial processes. It provides instructions for students on the format and time limit for the test.
This document consists of 15 printed pages and 1 blank page related to a chemistry exam. The exam covers topics such as the periodic table, chemical formulas and equations, and chemical reactions. It provides multiple choice questions to test understanding of these chemistry concepts.
This document contains a chemistry exam paper focusing on air and water topics. It includes 38 multiple choice questions testing understanding of air composition, air pollution, and rusting processes. The questions cover causes of acid rain, the purpose of catalytic converters, formation of oxides of nitrogen in car engines, and methods of rust prevention like painting and galvanization.
The document is the chemistry paper for the 2000 Hong Kong Certificate of Education Examination. It contains 35 multiple choice questions related to chemistry concepts. The questions cover topics such as the electronic structures of compounds, properties of elements on the periodic table, chemical reactions, stoichiometry, gas laws, and electrochemistry.
The document contains summaries of several diagrams showing different scientific processes and experiments. It provides answers to questions about the diagrams, identifying variables, materials, observations, and conclusions. The key information summarized is that the document contains expert summaries and explanations of multiple scientific diagrams and experiments.
The document is a science module in English on the topic of land and its resources for Malaysian students. It contains instructions, questions, figures and tables related to minerals, rocks, fossil fuels and other earth science topics. The questions assess students' understanding of concepts, terms and knowledge in English.
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.
1) The document provides a chemistry exam for Class XII students with three sections - multiple choice questions, short answer questions, and descriptive answer questions.
2) The multiple choice section contains 16 questions testing concepts across the chemistry curriculum.
3) The short answer section contains 8 questions requiring students to provide explanations, equations, or names for various chemistry concepts.
4) The descriptive answer section provides 3 essay questions where students must explain processes, properties, or reactions in fuller detail. The exam aims to comprehensively test students' understanding of chemistry.
This document is a standardized test for chemistry taken by students in Form 4 at a Malaysian secondary school. It consists of 3 sections - Section A with 20 objective questions, Section B with 3 subjective questions, and Section C with 1 essay question. The test covers topics in chemistry including chemical equations, properties of substances, polymers, electrolysis, electrochemistry and industrial processes. It provides instructions for students on the format and time limit for the test.
This document consists of 15 printed pages and 1 blank page related to a chemistry exam. The exam covers topics such as the periodic table, chemical formulas and equations, and chemical reactions. It provides multiple choice questions to test understanding of these chemistry concepts.
This document contains a chemistry exam paper focusing on air and water topics. It includes 38 multiple choice questions testing understanding of air composition, air pollution, and rusting processes. The questions cover causes of acid rain, the purpose of catalytic converters, formation of oxides of nitrogen in car engines, and methods of rust prevention like painting and galvanization.
The document is the chemistry paper for the 2000 Hong Kong Certificate of Education Examination. It contains 35 multiple choice questions related to chemistry concepts. The questions cover topics such as the electronic structures of compounds, properties of elements on the periodic table, chemical reactions, stoichiometry, gas laws, and electrochemistry.
The document contains summaries of several diagrams showing different scientific processes and experiments. It provides answers to questions about the diagrams, identifying variables, materials, observations, and conclusions. The key information summarized is that the document contains expert summaries and explanations of multiple scientific diagrams and experiments.
1. The document is a past year SPM examination paper containing 26 multiple choice questions testing concepts in chemistry.
2. The questions cover topics like states of matter, acid-base reactions, electrolysis, crystal structures, chemical equations, atomic structure, bonding and electroplating.
3. Multiple choice options are provided for each question to test understanding of fundamental chemistry concepts.
This chemistry quiz contains 25 multiple choice questions testing knowledge of chemical reactions and compound identification. Questions ask students to identify products of reactions between acids and bases or salts, such as reactions that produce gas, change in pH, or precipitates. Other questions test the ability to deduce the identity of a compound based on solubility, color changes from reagents, or other evidence from chemical tests. The final questions cover topics like the best methods and reagents for preparing specific salts like calcium sulfate, barium sulfate, or those insoluble in water.
This document contains multiple choice questions from science chapters on cells, microorganisms, metals and non-metals, forces and pressure, friction, sources of energy, and combustion. It tests knowledge of key concepts like cell structures, types of microbes, properties of metals and non-metals, forces, friction, renewable and non-renewable energy sources, and combustion reactions. The questions cover topics commonly found in middle school science curriculums.
The document discusses the extraction of metals from their ores. It begins by describing where metals are found in nature based on their reactivity. Very reactive metals like calcium are found in the sea, while less reactive metals like aluminum and zinc are found as oxides and sulfides. The least reactive metals like gold and silver are found as free elements.
It then provides examples of metal ores found in Tanzania like copper, tin, iron, gold and uranium. The extraction process involves purifying the ore through processes like dressing, calcination and roasting. Metals are then extracted through electrolysis or chemical reduction. Common extraction methods for sodium, aluminum and iron are described. Finally, the document outlines some physical and chemical
This document contains a 38-question multiple choice exam on chemistry concepts. The questions cover topics like atomic structure, chemical equations, acid-base reactions, oxidation-reduction, organic compounds, and the periodic table. Sample questions identify the atomic symbol for chlorine based on its properties, determine the products of a reaction between an acid and base, and calculate the mass of a substance produced in a chemical reaction.
The document discusses different types of metal compounds including oxides, hydroxides, carbonates, nitrates, and chlorides. It describes methods of preparing these compounds such as direct combination of metals with oxygen or other reactants, or reactions of metal salts with bases or acids. The properties, reactions and uses of these compounds are also outlined. For example, metal oxides can be basic, acidic, or amphoteric and are used to form salts or in manufacturing. Hydroxides vary in solubility depending on the metal's reactivity and react with acids to form salts. Carbonates and nitrates similarly react with acids.
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.
This document is a chemistry exam question paper focusing on electricity and chemistry. It contains 44 multiple choice questions testing understanding of key concepts such as:
- Substances used in electrical cables and why
- Products of electrolysis of various solutions and molten salts
- Electroplating and electrorefining processes
- Use of electrolysis in industrial processes like metal extraction
1. The document is an exam for the International General Certificate of Secondary Education in Chemistry. It consists of 40 multiple choice questions testing students' knowledge of chemistry concepts and experiments.
2. The questions cover topics like chemical reactions, compounds, elements, acids and bases, the periodic table, and industrial processes. Students are asked to identify apparatus, interpret chemical equations and diagrams, and apply their understanding of chemistry principles.
3. To earn marks, students must choose the single best answer for each question, recording their responses on an answer sheet within the allotted 45 minutes. Working through the exam tests students' comprehension of fundamental chemistry ideas and their ability to apply critical thinking to multiple choice questions.
1. The document contains 20 multiple choice questions about chemistry concepts such as particles, states of matter, chemical reactions, rates of reaction, food additives, and acids and bases.
2. The questions cover topics like the types of particles that make up different substances, using carbon-14 to estimate the age of artifacts, interpreting temperature-time graphs, identifying reactants and products in chemical equations, factors that affect reaction rates, functions of food additives, and using bases to relieve acid indigestion.
3. Several questions also involve identifying the correct matches between concepts like transition metal catalysts and their industrial uses, common alloys and their main components, and calculating percentages of elements in compounds.
This document contains a chemistry exam paper with questions about electrolysis and electricity. There are 30 multiple choice questions testing understanding of key concepts such as: products formed during the electrolysis of different substances like acids, salts and molten compounds; which electrodes specific elements are formed at; and why certain materials like copper, plastic and steel are used in electrical cables and circuits. The questions cover topics including electroplating, electrolysis of aqueous and molten solutions, and electrical safety.
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.
1. The document discusses the extraction of metals from ores. It begins by explaining that metals occur naturally in either a native/free state or combined state as compounds like oxides, sulfides, etc.
2. It then lists some important metal ores and their corresponding metals, such as hematite (iron), cassiterite (tin), galena (lead), etc. It also provides details on the mineral wealth of metals like iron, aluminum, copper, zinc, and titanium in India.
3. The document outlines the general steps involved in metal extraction: crushing/grinding ores, concentrating the ore, calcining/roasting it, reducing metal oxides to the free metal, and finally purifying
This document consists of a chemistry exam paper with multiple choice questions testing knowledge of chemistry concepts and principles. The 18 page document includes 40 multiple choice questions testing topics such as the structure of atoms, chemical bonding, periodic table properties, reactions and equations. It also provides instructions for candidates on how to complete the exam and includes a periodic table for reference.
How to write chemical formula=seminar form 4[1]MRSMPC
This document provides instructions for writing chemical formulas of ionic compounds in two steps. The first step is to complete a table with common positive and negative ions and their charges. The second step is to use the ions from the table to write formulas by balancing the charges between the metal and nonmetal ions. An example of writing the formula for aluminum carbonate is given to illustrate the process of identifying the ions, balancing their charges, and writing the complete chemical formula.
1) The document provides information about a chemistry pre-trial exam, including multiple choice questions about particles, physical properties, chemical reactions, and rates of reaction.
2) Section two involves questions about electrolysis of copper(II) sulfate solution and the products formed at the anodes and cathodes using different electrode materials.
3) Section three describes laboratory activities to prepare a salt through a reaction between zinc oxide and nitric acid, including excess reactants, products, and apparatus setup.
4) Section four involves questions about heat of neutralization reactions, including energy level diagrams and temperature change calculations.
5) Section five provides information about homologous series, including molecular formulas, boiling points, and
The document discusses different types of mineral compounds:
1) Metal oxides which are formed from a metal reacting with oxygen.
2) Metal carbonates which are formed from a metal reacting with carbon and oxygen.
3) Metal sulphides which are formed from a metal reacting with sulphur.
This document contains a chemistry test with three parts:
Part A contains 10 multiple choice questions about chemistry concepts like the periodic table, electron configuration, and chemical reactions.
Part B contains multi-part questions about specific elements and compounds. It asks students to identify elements on the periodic table, draw electron configurations, and describe chemical reactions and electrolysis.
Part C contains experimental questions about electrolysis using different apparatus set ups and solutions. It requires identifying electrodes and ions, writing chemical equations, and describing observations at the electrodes.
The test is designed to evaluate students' understanding of fundamental chemistry concepts and their ability to apply that knowledge to analyze experiments and unknowns. It provides context clues and diagrams to help students
1. The document is a past year SPM examination paper containing 26 multiple choice questions testing concepts in chemistry.
2. The questions cover topics like states of matter, acid-base reactions, electrolysis, crystal structures, chemical equations, atomic structure, bonding and electroplating.
3. Multiple choice options are provided for each question to test understanding of fundamental chemistry concepts.
This chemistry quiz contains 25 multiple choice questions testing knowledge of chemical reactions and compound identification. Questions ask students to identify products of reactions between acids and bases or salts, such as reactions that produce gas, change in pH, or precipitates. Other questions test the ability to deduce the identity of a compound based on solubility, color changes from reagents, or other evidence from chemical tests. The final questions cover topics like the best methods and reagents for preparing specific salts like calcium sulfate, barium sulfate, or those insoluble in water.
This document contains multiple choice questions from science chapters on cells, microorganisms, metals and non-metals, forces and pressure, friction, sources of energy, and combustion. It tests knowledge of key concepts like cell structures, types of microbes, properties of metals and non-metals, forces, friction, renewable and non-renewable energy sources, and combustion reactions. The questions cover topics commonly found in middle school science curriculums.
The document discusses the extraction of metals from their ores. It begins by describing where metals are found in nature based on their reactivity. Very reactive metals like calcium are found in the sea, while less reactive metals like aluminum and zinc are found as oxides and sulfides. The least reactive metals like gold and silver are found as free elements.
It then provides examples of metal ores found in Tanzania like copper, tin, iron, gold and uranium. The extraction process involves purifying the ore through processes like dressing, calcination and roasting. Metals are then extracted through electrolysis or chemical reduction. Common extraction methods for sodium, aluminum and iron are described. Finally, the document outlines some physical and chemical
This document contains a 38-question multiple choice exam on chemistry concepts. The questions cover topics like atomic structure, chemical equations, acid-base reactions, oxidation-reduction, organic compounds, and the periodic table. Sample questions identify the atomic symbol for chlorine based on its properties, determine the products of a reaction between an acid and base, and calculate the mass of a substance produced in a chemical reaction.
The document discusses different types of metal compounds including oxides, hydroxides, carbonates, nitrates, and chlorides. It describes methods of preparing these compounds such as direct combination of metals with oxygen or other reactants, or reactions of metal salts with bases or acids. The properties, reactions and uses of these compounds are also outlined. For example, metal oxides can be basic, acidic, or amphoteric and are used to form salts or in manufacturing. Hydroxides vary in solubility depending on the metal's reactivity and react with acids to form salts. Carbonates and nitrates similarly react with acids.
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.
This document is a chemistry exam question paper focusing on electricity and chemistry. It contains 44 multiple choice questions testing understanding of key concepts such as:
- Substances used in electrical cables and why
- Products of electrolysis of various solutions and molten salts
- Electroplating and electrorefining processes
- Use of electrolysis in industrial processes like metal extraction
1. The document is an exam for the International General Certificate of Secondary Education in Chemistry. It consists of 40 multiple choice questions testing students' knowledge of chemistry concepts and experiments.
2. The questions cover topics like chemical reactions, compounds, elements, acids and bases, the periodic table, and industrial processes. Students are asked to identify apparatus, interpret chemical equations and diagrams, and apply their understanding of chemistry principles.
3. To earn marks, students must choose the single best answer for each question, recording their responses on an answer sheet within the allotted 45 minutes. Working through the exam tests students' comprehension of fundamental chemistry ideas and their ability to apply critical thinking to multiple choice questions.
1. The document contains 20 multiple choice questions about chemistry concepts such as particles, states of matter, chemical reactions, rates of reaction, food additives, and acids and bases.
2. The questions cover topics like the types of particles that make up different substances, using carbon-14 to estimate the age of artifacts, interpreting temperature-time graphs, identifying reactants and products in chemical equations, factors that affect reaction rates, functions of food additives, and using bases to relieve acid indigestion.
3. Several questions also involve identifying the correct matches between concepts like transition metal catalysts and their industrial uses, common alloys and their main components, and calculating percentages of elements in compounds.
This document contains a chemistry exam paper with questions about electrolysis and electricity. There are 30 multiple choice questions testing understanding of key concepts such as: products formed during the electrolysis of different substances like acids, salts and molten compounds; which electrodes specific elements are formed at; and why certain materials like copper, plastic and steel are used in electrical cables and circuits. The questions cover topics including electroplating, electrolysis of aqueous and molten solutions, and electrical safety.
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.
1. The document discusses the extraction of metals from ores. It begins by explaining that metals occur naturally in either a native/free state or combined state as compounds like oxides, sulfides, etc.
2. It then lists some important metal ores and their corresponding metals, such as hematite (iron), cassiterite (tin), galena (lead), etc. It also provides details on the mineral wealth of metals like iron, aluminum, copper, zinc, and titanium in India.
3. The document outlines the general steps involved in metal extraction: crushing/grinding ores, concentrating the ore, calcining/roasting it, reducing metal oxides to the free metal, and finally purifying
This document consists of a chemistry exam paper with multiple choice questions testing knowledge of chemistry concepts and principles. The 18 page document includes 40 multiple choice questions testing topics such as the structure of atoms, chemical bonding, periodic table properties, reactions and equations. It also provides instructions for candidates on how to complete the exam and includes a periodic table for reference.
How to write chemical formula=seminar form 4[1]MRSMPC
This document provides instructions for writing chemical formulas of ionic compounds in two steps. The first step is to complete a table with common positive and negative ions and their charges. The second step is to use the ions from the table to write formulas by balancing the charges between the metal and nonmetal ions. An example of writing the formula for aluminum carbonate is given to illustrate the process of identifying the ions, balancing their charges, and writing the complete chemical formula.
1) The document provides information about a chemistry pre-trial exam, including multiple choice questions about particles, physical properties, chemical reactions, and rates of reaction.
2) Section two involves questions about electrolysis of copper(II) sulfate solution and the products formed at the anodes and cathodes using different electrode materials.
3) Section three describes laboratory activities to prepare a salt through a reaction between zinc oxide and nitric acid, including excess reactants, products, and apparatus setup.
4) Section four involves questions about heat of neutralization reactions, including energy level diagrams and temperature change calculations.
5) Section five provides information about homologous series, including molecular formulas, boiling points, and
The document discusses different types of mineral compounds:
1) Metal oxides which are formed from a metal reacting with oxygen.
2) Metal carbonates which are formed from a metal reacting with carbon and oxygen.
3) Metal sulphides which are formed from a metal reacting with sulphur.
This document contains a chemistry test with three parts:
Part A contains 10 multiple choice questions about chemistry concepts like the periodic table, electron configuration, and chemical reactions.
Part B contains multi-part questions about specific elements and compounds. It asks students to identify elements on the periodic table, draw electron configurations, and describe chemical reactions and electrolysis.
Part C contains experimental questions about electrolysis using different apparatus set ups and solutions. It requires identifying electrodes and ions, writing chemical equations, and describing observations at the electrodes.
The test is designed to evaluate students' understanding of fundamental chemistry concepts and their ability to apply that knowledge to analyze experiments and unknowns. It provides context clues and diagrams to help students
This 16-page document appears to be part of an exam for the International General Certificate of Secondary Education in Chemistry. It contains 40 multiple choice questions testing concepts in chemistry such as the periodic table, chemical bonding, acids and bases, and chemical reactions. It also includes a periodic table as a reference.
This document provides information on naming ionic and molecular compounds. It discusses how to name ionic compounds containing two elements by identifying the cation and anion. It also discusses how to name compounds containing transition metals with variable charge by including the ionic charge in Roman numerals. The document shows examples of writing formulas from compound names and vice versa. It introduces molecular compound naming using prefixes to indicate the number of atoms of each element. Finally, it discusses naming polyatomic ions based on their chemical formulas.
This document contains 50 multiple choice questions related to metals and non-metals. The questions cover various properties and reactions of metals and non-metals such as: which metals burn in air; the products formed when metals react with acids, oxygen, and water; physical properties like malleability and conductivity; and common metallic and non-metallic elements and compounds. The correct answers to each multiple choice question are also provided.
This document contains a SPM 2004 exam paper for Chemistry with 40 multiple choice questions testing various chemistry concepts. The questions cover topics such as states of matter, properties of substances like acids and bases, chemical equations and reactions including combustion, electrolysis, and displacement. Sub-atomic particles, relative atomic mass, and mole concept are also assessed. Diagrams of experimental set-ups and molecular structures are provided with some questions.
This document consists of 15 printed pages and 1 blank page related to a chemistry exam. The exam covers topics such as the periodic table, chemical equations, and chemical reactions. It provides multiple choice questions to test understanding of these chemistry concepts.
This 15-page document appears to be part of an exam for the International General Certificate of Secondary Education in Chemistry. The exam contains 40 multiple choice questions covering various topics in chemistry such as the periodic table, chemical bonding, electrolysis, and chemical reactions. It includes a copy of the periodic table on page 16 for reference.
The questions of chapter metals and non metals all in one place to access. This question bank make the students useful to prepare for the 10th board exams.
This document contains 20 multiple choice questions about science and technology topics along with explanations of the answers. Some of the questions cover topics like carbon dating, components of the nucleus, greenhouse gases, properties of metals, and uses of gases like ethylene and carbon dioxide. For each question, the correct multiple choice answer is provided along with a 1-3 sentence explanation of the reasoning behind the answer. The document is aimed at helping users learn and practice answering science and technology questions.
A student conducted an experiment using aluminium, iron, and copper metals and their sulfate salt solutions. Aluminium was found to be the most reactive metal as it displaced both iron and copper from their aqueous solutions. When barium chloride and sodium sulfate solutions were mixed, a white precipitate formed through a double displacement reaction. Heating lead nitrate produces yellow-brown lead oxide and brown nitrogen dioxide gas. Heating ferrous sulfate turns it from light green to brown and produces sulfurous oxide gas.
This document provides answers to questions about industrial chemistry. It discusses topics like froth floatation process, metallurgical operations, roasting, electrorefining, the Solvay ammonia process, petroleum formation, petroleum refining, fractions obtained from fractional distillation like kerosene and diesel, and differences between crude oil and residual oil. The document is part of a 10th grade chemistry textbook and provides short answers to questions about industrial chemistry processes and applications.
Iron is extracted from its main ore, haematite, in a blast furnace. Haematite, coke, and limestone are fed into the top of the blast furnace where temperatures reach 1500°C. The main reducing agent, carbon monoxide, reduces the iron(III) oxide to iron. The molten iron collects at the bottom and is tapped off, while the limestone removes sandy impurities to form a slag.
This document consists of a multiple choice chemistry exam with 40 questions testing knowledge of chemistry concepts and principles. It provides the exam instructions, questions, answer choices, and a periodic table for reference. The exam covers topics including properties of gases and liquids, chemical equations, acid-base reactions, electrolysis, and the extraction and uses of metals.
The document is a 16-page syllabus approved for use in several countries as a certification exam. It contains exam questions on chemistry topics, including multiple choice questions with four possible answers labeled A, B, C, and D. The exam is 45 minutes long and students should record their answers on the provided answer sheet.
The document discusses the Group IV elements carbon, silicon, germanium, tin, and lead. Group IV elements have a full s orbital and two electrons in the p orbital. The elements range from the nonmetal carbon to the weakly metallic lead. Carbon and silicon form acidic oxides, while tin and lead form amphoteric oxides. Carbon occurs naturally as diamond and graphite. Silicon is abundant as silica but not as the free element. Germanium is a rare element found in coal products. Tin is obtained commercially from its oxide cassiterite. Lead is extracted from its sulfide ore by roasting and heating with limestone and coal in a blast furnace.
The document discusses different types of chemical reactions including precipitation, corrosion, metal displacement, combustion, decomposition, combination, and redox reactions. It provides examples of each type and asks 13 multiple choice and written response questions to test understanding of reaction types, equations, and products. Students are assessed on completing the questions with a grade scale of A for 12-13 correct, B for 8-11, C for 6-7, and D for less than 5.
Pertumbuhan manusia terbahagi kepada 5 peringkat utama iaitu peringkat awal, zaman kanak-kanak, remaja, dewasa dan usia tua. Pertumbuhan manusia boleh diukur melalui ketinggian dan berat badan, dan mengikut lengkung pertumbuhan S-bentuk. Zaman kanak-kanak adalah peringkat paling penting kerana memerlukan nutrisi dan pendidikan yang mencukupi.
The document appears to be a science module on stars and galaxies from the Malaysian Ministry of Education. It contains instructions for students on how to complete the exam, followed by 32 multiple choice questions about topics relating to stars, galaxies, and astronomy.
This document appears to be an exam on human growth and development administered by the Malaysian Ministry of Education. It contains 26 multiple choice questions testing students' understanding of topics like the stages of human growth, growth curves, puberty, and factors that affect growth. The exam is in English but intended for Malaysian students in Form 3 studying science.
This document appears to be a science module on reproduction from the Malaysian Ministry of Education. It contains 43 multiple choice questions testing students' understanding of concepts related to reproduction in various organisms, including the human reproductive system and plant reproduction. The questions cover topics like the menstrual cycle, types of pollination, seed germination, sexual and asexual reproduction, and birth control methods.
This document is a science module on excretion for Form 3 students. It contains 35 multiple choice questions testing students' understanding of excretion in the human body and plants. The questions cover the key excretory organs like the skin, lungs, and kidneys and their functions. It also addresses waste transport and removal through the urinary system.
The document is a science module on blood circulation and transport from the Malaysian Ministry of Education. It contains 36 multiple choice questions testing students' understanding of English scientific terms and concepts related to blood circulation, the heart, blood vessels, blood groups, and transpiration in plants.
This document appears to be an exam for a science module on respiration. It contains instructions for students on how to complete the exam, which assesses six constructs in English. The exam contains 34 multiple choice questions about respiration and the respiratory system.
The document is a science module from the Malaysian Ministry of Education about electricity generation. It contains 36 multiple choice questions testing students' understanding of concepts related to electricity generation, transmission, and usage in both English and Malay. The questions cover topics like transformers, electrical wiring, circuit diagrams, and different methods of electricity generation.
Dokumen ini menjelaskan spesifikasi kurikulum untuk mata pelajaran Sains Tingkatan 3 di Malaysia. Ia menyenaraikan matlamat dan objektif kurikulum sains, kemahiran saintifik dan berfikir yang perlu dikuasai murid, sikap saintifik dan nilai murni, strategi pengajaran dan pembelajaran, dan organisasi kandungan kurikulum mengikut tema-tema tertentu.
2. MODULE 6: LAND AND ITS RESOURCES
Arahan:
1. Modul ini mengandungi empat puluh empat soalan. Semua soalan adalah
dalam bahasa Inggeris.
2. Modul merangkumi enam konstruk yang diuji
K1-Memahami soalan dalam Bahasa Inggeris
K3-Memahami istilah sains dalam Bahasa Inggeris
K5-Menguasai konstruk pengetahuan
K6-Menguasai konstruk kefahaman
K7-Menguasai konstruk kemahiran
K10-Memahami pengajaran dan pembelajaran dalam Bahasa Inggeris
3. Murid hendaklah menulis maklumat diri dalam kertas jawapan objektif
disediakan. Murid juga perlu memastikan maklumat konstruk, nombor soalan dan
jumlah soalan seperti yang dibaca oleh guru di dalam ruangan disediakan dalam
kertas jawapan objektif sebelum ujian.
4. Bagi soalan objektif, anda perlu menandakan jawapan dengan menghitamkan
pilihan jawapan pada pilihan jawapan A , B , C atau D pada kertas jawapan
objektif.
Contoh:
Antara berikut, yang manakah haiwan?
A. Pokok B. Kambing C. Kereta D. Pen
A B C D E
5. Untuk soalan subjektif, jawapan hendaklah ditulis pada kertas berasingan
yang disediakan oleh guru.
6. Bagi soalan 40 hingga 44, murid hendaklah mendengar arahan daripada guru.
7. Jawab semua soalan.
Modul ini mengandungi 17 halaman bercetak
2
3. 1. Gold, quartz and limestone are examples of minerals.
Which of the following is a mineral?
A Quartz
B Nitrogen
C Oxygen
D Hydrogen
2. Minerals are solid elements or compounds found naturally in the Earth’s crust.
Where can you find minerals?
A Outer space
B Atmosphere
C Deep ocean
D Earth’s crust
3. Calcium carbonate releases carbon dioxide and forms calcium oxide when heated.
Name the product formed when calcium carbonate is heated.
A Iron oxide
B Iron sulphide
C Calcium oxide
D Calcium carbonate
4. Silicate is a compound made up of silicon, metal and oxygen. Asbestos, jade,
clay, mica and feldspar are examples of silicate.
Which of the following is not a silicate?
A Jade
B Clay
C Quartz
D Asbestos
3
4. 5. Magnesium reacts faster when heated in oxygen than zinc and iron.
Choose a metal which is most reactive.
A Magnesium
B Zinc
C Iron
6. Calcium carbonate is made up of different elements namely calcium, carbon and oxygen.
How many elements are present in calcium carbonate?
A One
B Two
C Three
7. Zinc oxide is formed when zinc is heated.
What is the product of heating zinc?
A Zinc oxide
B Zinc carbonate
C Zinc sulphide
D Zinc nitrate
8. Salt and sugar are soluble in water. Haematite and limestone are hard and
insoluble in water.
Which of the following does not dissolve in water?
A Salt
B Sugar
C Limestone
4
5. 9. Fossil fuels such as petroleum, natural gas and coal provide most of the energy
needed by man.
Examples of the fossil fuels needed by man are ________
I coal
II soil
III water
IV petroleum
A I and II
B I and III
C I and IV
10. Hydrocarbon is made up of carbon and hydrogen. Hydrocarbon is classified as ____
A an atom
B an element
C a compound
11 Petroleum can be separated into fractions by heating at different temperatures.
The method used is known as _______
A crystallisation
B condensation
C decomposition
D fractional distillation
12. A substance which is formed from the remains of organisms that were buried
under layers of sediment millions of years ago is called ________
A an element
B a mixture
C a compound
D fossil fuel
5
6. 13. The compound that is made up of silicon, metal and oxygen is known as _____
A silica
B silicate
C element
14. Calcium oxide reacts with water to form calcium hydroxide which is also known
as ________
A quicklime
B slaked lime
C limewater
15. Silver is a metal. It is shiny, hard and can be knocked into various shapes.
Name another example of metal.
A Oxygen
B Chlorine
C Helium
D Aluminium
16. Silicon is a substance that ________
A reacts with acid
B dissolves in water
C withstands heat
17. Name the method used in getting petroleum fractions from crude oil
A Sea water distillation
B Fractional distillation
C Soil sedimentation
D Salt evaporation
6
7. 18. Name the petroleum fraction used as a fuel for aeroplanes
A Petrol
B Diesel
C Bitumen
D Kerosene
19. Which of the following is a silicon compound?
A Glass
B Shell
C Marble
D Coral
20. Calcium carbonates which exist in their natural states are
I sand
II marble
III coral
IV jade
A I and II
B I and III
C II and III
D III and IV
21. What are the elements that are present in silica?
A Silicon and nitrogen
B Silicon and hydrogen
C Silicon and oxygen
7
8. 22. Natural elements or compounds that exist in the Earth’s crust are called ____
A atoms.
B mixtures.
C minerals.
D substances.
23. Haematite is made up of _________
A iron and sulphur
B iron and oxygen
C tin and sulphur
D tin and oxygen
24. The table shows the composition of calcium silicate.
Mineral Element composition
Calcium silicate Calcium X Oxygen
What is element X?
A Silica
B Silicon
C Silicate
25. Which of the following is a calcium compound?
A Mica
B Marble
C Malachite
D Haematite
8
9. 26. Which of the following is a metal?
A Carbon
B Gold
C Cloth
D Glass
27. Which is a non-metal?
A Iron
B Gold
C Silver
D Plastic
28. Which of the following compounds cannot be broken down when heated?
A Oxides
B Sulphides
C Carbonates
29. Silicon compounds are used in the making of ______
I Floor marble
II Ceramic flower vase
III Fibre optic cable
A I and II
B I and III
C II and III
D I, II and III
9
10. 30. The word equation shows the reaction between metal and oxygen.
Metal + oxygen heat
→ X
Which of the following is the possible answer for X?
A Tin oxide
B Nitrous oxide
C Carbon dioxide
D Sulphur dioxide
31. The table shows the boiling point of fractional distillation product.
Fractional distillation Boiling point
product
A 300C – 800C
B 800C – 1200C
C 1200C – 1600C
D 1600C – 2000C
Based on the information given, which fraction distills out first?
32. The word equations show the reactions of elements with sulphur
I Magnesium + sulphur Magnesium sulphide
II Oxygen + sulphur Sulphur dioxide
III Aluminium + sulphur Aluminium sulphide
Choose the correct equations that show reaction of metal with sulphur
A I and II
B I and III
C II and III
D I, II and III
10
11. 33. The figure shows substance Q being heated. After a few minutes the lime water
turns chalky.
substance Q
test tube
heat holder
lime water
What is substance Q ?
A Aluminium oxide
B Aluminium silicate
C Calcium sulphide
D Calcium carbonate
34. Which of the following word equations is correct when metal sulphide is heated?
A Lead sulphide heat
→ Lead oxide + sulphur
B Copper sulphide heat
→ copper oxide + carbon dioxide
C Iron sulphide heat
→ iron oxide + sulphur dioxide
D Aluminium sulphide heat
→ aluminium oxide + oxygen
11
12. 35. The figure shows the sequence of formation of lime water.
Limestone
Quicklime
Slaked lime
Lime water
Choose the correct statement.
A Limestone reacts with water to form quick lime.
B Quicklime reacts with water to form slaked lime.
C Slaked lime when heated strongly decomposes into lime
water.
12
13. 36. The figure shows the apparatus set up to study the reaction of metals with
oxygen. 3 asbestos papers are filled with metal powders A, B and C respectively.
glass wool
potassium
manganate A B C
(VII)crystal
heated
heated retort stand
From the observation, choose the most reactive metal .
Types of metal Observation
A Burns quickly with white flame
B Burns with a bright flame and spreads slowly
C Glows and spreads slowly
13
14. 37. The figure shows the fractional distillation of petroleum.
gases
X
naphtha
Y
Z
Lubricating oil
Fuel oil
What are the products represented by X, Y and Z?
X Y Z
A diesel petrol kerosene
B petrol kerosene diesel
C petrol kerosene bitumen
D kerosene diesel bitumen
14
15. 38. The figure shows a set-up of an experiment to show the action of heat on calcium
carbonate. Gas Y is produced and tested using solution X .
calcium carbonate
heat test tube holder
solution X
Predict what happens to solution X.
A Clear changes to chalky
B Remains the same
C Chalky changes to clear
15
16. 39. The table shows the characteristics of petroleum fractions obtained from
fractional distillation.
Petroleum Range of boiling Viscosity Colour of Presence of
0
fraction point ( C) distillate soot
P 70 – 100 Not viscous Colourless No soot
Q 100 – 150 Slightly Pale yellow Little soot
viscous
R 150 – 200 Viscous Yellow Some soot
S 200 – 250 Very viscous Dark yellow A lot of soot
Which of the following statements are true?
I The higher the boiling point, the darker the colour of the distillate
II The higher the boiling point, the lower the viscosity of the distillate
III The higher the boiling point, the higher the quantity of soot produced
A I and II
B I and III
C II and III
D I, II and III
Question 40 to 44.
Listen carefully to the text read by the teacher. Then, answer the questions.
40. Examples of natural fuel resources are _____
I Petroleum
II Coal
III Water
A I and II
B I and III
C II and III
D I, II and III
16
17. 41. What is hydrocarbon made up of?
A Hydrogen and carbon
B Hydrogen and oxygen
C Oxygen and carbon
42. Name two factors involved in the formation of natural fuel resources.
I pressure
II moisture
III heat
A I and II
B I and III
C II and III
43. Which is not a product of fractional distillation of petroleum?
A Kerosene
B Mercury
C Bitumen
D Diesel
44. Name two examples of minerals found in the Earth’s crust.
A Gold and oxygen
B Gold and quartz
C Quartz and hydrogen
17
18. KEMENTERIAN PELAJARAN MALAYSIA
KERTAS JAWAPAN OBJEKTIF
Ujian Diagnostik
Nama Pelajar:
Tahun/ Tingkatan : 3 Mata Pelajaran: SAINS
Nama Sekolah: Modul: 6
GUNAKAN PENSIL 2B ATAU BB SAHAJA.
TENTUKAN TIAP-TIAP TANDA ITU HITAM DAN MEMENUHI KESELURUHAN RUANG.
PADAMKAN HINGGA HABIS MANA-MANA TANDA YANG ANDA UBAH
SILA HITAMKAN JAWAPAN DI BAWAH MENGIKUT HURUF JAWAPAN YANG ANDA PILIH
1 A B C D E 31 A B C D E 46 A B C D E
2 A B C D E 32 A B C D E 47 A B C D E
3 A B C D E 33 A B C D E 48 A B C D E
4 A B C D E 34 A B C D E 49 A B C D E
5 A B C D E 35 A B C D E 50 A B C D E
6 A B C D E 36 A B C D E 51 A B C D E
7 A B C D E 37 A B C D E 52 A B C D E
8 A B C D E 38 A B C D E 53 A B C D E
9 A B C D E 39 A B C D E 54 A B C D E
10 A B C D E 40 A B C D E 55 A B C D E
11 A B C D E 41 A B C D E 56 A B C D E
12 A B C D E 42 A B C D E 57 A B C D E
A B C D E 43 A B C D E 58 A B C D E
13
A B C D E 44 A B C D E 59 A B C D E
14
15 A B C D E 45 A B C D E 60 A B C D E
A B C D E Konstruk No. Soalan Jumlah Bilangan Soalan Kegunaan Guru
16
Soalan Gagal Dijawab
17 A B C D E
18 A B C D E 1 K1 1-9 9
19 A B C D E
20 A B C D E 2 K3 10-13 4
3 K5 14-29 16
21 A B C D E
22 A B C D E 4 K6 30-34 5
23 A B C D E
A B C D E
5 K7 35-39 5
24
25 A B C D E 6
26 A B C D E 7 K10 40-44 5
27 A B C D E
8
28 A B C D E
29 A B C D E 9
30 A B C D E
10