1 Which of the following substance consists of ions? star A Helium B Naphthalene C Carbon dioxide D Magnesium sulphate T4 Chapter 5.7 Properties of Ionic Compounds and Covalent Compounds
2 Which of the following statements is true about 1 mole of a substance? star A 1 mole hydrogen gas contains 6.02 x 10^23 x 2 atoms B 1 mole of magnesium contains 6.02 x 10^23 molecules C 1 mole ammonia contains the same number of atoms as 12 g of carbon-12 T4 Chapter 3.2 Mole Concept
3 Diagram shows a Periodic Table of Element with four elements represented by letters A, B, C and D. which of these elements has an electron arrangement of 2.8.3? star A A B B C C D D T4 Chapter 2.3 Atomic Structure
4 Which of the following acids are correctly match with their basicity? star A Asid hidroklorik Hydrochloric acid | Asid nitrik Nitric acid B Asid sulfurik Sulphuric acid | Asid hidroklorik Hydrochloric acid C Asid hidroklorik Hydrochloric acid | Asid sulfurik Sulphuric acid D Asid fosforik Phosphoric acid | Asid sulfurik Sulphuric acid T4 Chapter 6.1 The Role of Water in Showing Acidic and Alkaline Properties
5 Which of the following is not true about effective collision? star A Collision that reaches the activation energy B Collision that produce product. C Collision that occurs in various orientations T4 Chapter 7.4 Collision Theory
6 What is the general formula of carboxylic acid? star A CnH2n B CnH2n+2 C CnH2n+1OH D CnH2n+1COOH T5 Chapter 2.2 Homologous Series
7 The following equation shows the reaction between chlorine and water. Cl_2 + H_2O \to P + Q What is P and Q? star A ClO_2 | HCl B Cl_2O | H_2 C HCl | H_2 D HCl | HOCl T4 Chapter 4.5 Elements in Group 17
8 Which of the following is natural polymer? star A Polyisoprene B Polypropene C Polychloroethene T5 Chapter 4.1 Polymer
9 Soap is a cleaning agent that is used for washing and personal hygiene. Which of the following is true about soap? star A Soap is sodium or potassium fatty acid salts B Soap is produced from precipitation reaction C General formula for soap is RCOO^-Ca^+ D Soap is fat. T5 Chapter 5.2 Cleaning Agents
10 Element L is located in the same group with copper in the Periodic Table of Elements. Which of the following are the characteristics of L? I Low melting point II Poor heat conductor III Act as catalyst IV Has more than one oxidation number star A I and II B I and III C II and IV D III and IV T4 Chapter 4.7 Transition Elements
11 Diagram below shows the effect of X bond on physical properties of ethanol, C_2H_5OH • Ethanol, C_2H_5OH can dissolve in water • Formed between ethanol molecules, C_2H_5OH and water molecule, H_2O Which of the following statements is correct about the X bond? star A Transfer of electrons between metal atoms and non-metal atoms B The electrostatic forces between the sea of electrons and the positively-charged metal ions C Sharing of electrons between non-metal atoms that come from one atom only. D The forces of attraction between hydrogen atoms that have bonded with an atom of high electronegativity in another molecule T4 Chapter 5.4 Hydrogen Bond
12 Which of the following materials is used in the manufacture of lead glass and optical fibre? star A Calcium carbonate B Sodium carbonate C Sulphur dioxide D Silica T4 Chapter 8.2 Composition of Glass and Its Uses T4 Chapter 8.4 Composite Materials and Its Importance
13 Which ions are present in molten lead (II) bromide? star A Pb^2+, Br^- B Pb^2+, Br^-, H^+ C Pb^2+, Br^-, OH^- D Pb^2+, Br^-, H^+, OH^- T5 Chapter 1.4 Electrolytic Cell
14 Petroleum is main source of hydrocarbon. However, the petroleum needs to be separated into its constituents through a refining process. Cracking is one of the refining processes. What is meant by cracking? star A Long chain hydrocarbons are cracked into smaller molecules at a high temperature using a catalyst B The fraction of hydrocarbons in petroleum are separated at different temperatures according to the size of the hydrocarbons C A long chain hydrocarbon molecule that is made from many repeating basic units D A long chain hydrocarbon molecule that is break into basic unit T5 Chapter 2.1 Types of Carbon Compound
15 Which of the following informations are needed to determine the empirical formula of a compound? I Mass of element in a compound II Proton number in the atom of element III The relative atomic mass of element IV The relative molecular mass of element star A I and II B I and III C II and IV D III and IV T4 Chapter 3.3 Chemical Formula
16 Diagram shows an experiment to investigate the solubility of salt X. Based on observation on diagram above, salt X is ......... star A Magnesium chloride B Calcium sulphate C Lead (II) nitrate D Sodium carbonate T4 Chapter 6.9 Preparation of Salts
17 Which statements are true about the effect of the rise in temperature on the reactant particles based on collision theory? I The kinetic energy of the reactant particles increases II The total surface area of the reactant particles increases III The frequency of collision between the reactant particles increases IV The number of the reactant particles per unit volume increases star A I and II B I and III C II and IV D III and IV T4 Chapter 7.4 Collision Theory
18 Which of the following statements is related to an exothermic reaction? star A A reaction that absorbs heat from the surroundings B Dissolve solid ammonium chloride in water C The amount of energy released during the process of forming new bonds is higher than the amount of energy required for breaking bonds D The formation of a magnesium carbonate precipitate from the reaction between magnesium nitrate solution and sodium carbonate T5 Chapter 3.1 Heat Change in Reactions
19 Diagram shows a graph of temperature against time for cooling of substance R. Which statement is true about the property of substance R? star A Heat is absorbed from t1 to t2 B At room temperature, substance R exists as liquid C Change of state of matter occurs at 80.0 °C D At t1 to t2, substance R exists as solid T4 Chapter 2.1 Basic Concepts of Matter
20 Table below shows the electron arrangement of elements R and S. | Unsur R Element R | Unsur S Element S | |---|---| | 2.4 | 2.8.7 | What is the formula and the type of bond in the compound formed from the reaction between elements R and S? star A R_4S | Kovalen Covalent B RS_4 | Kovalen Covalent C R_4S | Ion Ionic D RS_4 | Ion Ionic T4 Chapter 5.1 Basics of Compound Formation T4 Chapter 5.3 Covalent Bond
21 Diagram shows part of a structure of a polymer. Identify the monomer of the polymer. star A A Figure B B Figure C C Figure D D Figure T5 Chapter 4.1 Polymer
22 The following chemical equation shows the displacement of halogen Y from its halide solution. X_2 +2 NaY -> Y_2 + 2 NaX What are halogen X and halogen Y? star A Iodine | Bromine B Bromine | Iodine C Iodine | Chlorine D Bromine | Chlorine T5 Chapter 1.1 Oxidation and Reduction
23 Choose the correct pair of polymer and example of material. star A Polyvinyl chloride B Polyurethane C Nylon T5 Chapter 4.1 Polymer
24 Which of the following is true? star A CuCl | Copper(II) chloride B Cu_2O | Copper(II) oxide C NaSO_4 | Sodium sulphate D PbBr_2 | Lead (II) bromide T4 Chapter 3.3 Chemical Formula
25 An experiment is conducted by a student in the laboratory. Diagram shows the apparatus set-up of the experiment. | Susunan radas Set-up of apparatus | Eksperimen Experiment | Pelarut yang ditambah Solvent added | |---|---|---| | | Set I | Air suling Distilled water | | | Set II | Metilbenzena Methylbenzene | Which of the following observations should be obtained by the student? star A Set I: Red litmus paper turns blue | Set II: Red litmus paper turns blue B Set I: Red litmus paper remains red | Set II: Red litmus paper turns blue C Set I: Red litmus paper remains red | Set II: Red litmus paper remains red D Set I: Red litmus paper turns blue | Set II: Red litmus paper remains red T4 Chapter 6.1 The Role of Water in Showing Acidic and Alkaline Properties
26 The reaction between magnesium and hydrochloric acid is represented by the following equation: Mg(p/s) + 2HCl(ak/aq) → MgCl_2(ak/aq) + H_2(g/g) Which of the following method, is the most suitable to determine rate of reaction? star A Determine the change in temperature of the solution with time B Determine the change in the concentration of magnesium chloride with time C Determine the change in the volume of hydrogen gas with time D Determine the change in the concentration of hydrochloric acid with time T4 Chapter 7.1 Determining Rate of Reaction
27 The thermochemical equation below represents a reaction. 2 H_2(g) + O_2(g) → 2 H_2O (ceA) ΔH = -570 kJ Which statement explain about this reaction? star A Combustion of 1 mole of hydrogen produces 570 kJ energy. B The energy content in hydrogen and oxygen exceeds the energy content in water by 570 kJ C 570 kJ of energy is required to break the bonds in hydrogen and oxygen D 570 kJ of energy is released when bond is formed between hydrogen and oxygen in water. T5 Chapter 3.1 Heat Change in Reactions
28 Why nanoparticles are used in cosmetics field? star A Nanoparticles are able to coat the surface more evenly B High temperature does not damage nanoparticles in cosmetic substances C Nanoparticles have the ability to easily penetrate the skin even more D Nanoparticles make the cosmetic substances last longer T5 Chapter 5.5 Application of Nanotechnology in Industry
29 Table shows the proton number of two elements of Periodic Table of Elements. | Unsur | Nombor proton | | Elements | Proton number | | X | 2 | | Y | 2.8 | Which of the following is the correct statement about X and Y? star A Atomic size of Y is smaller than X. B Melting point of Y is higher than X. C Forces of attraction between atoms X are stronger than Y. D the number of shells filled with electrons of atom X is more than Y. T4 Chapter 4.3 Elements in Group 18
30 Diagram below shows a saturated hydrocarbon. Which of following are the isomers of the hydrocarbon? I Pentane II Butane III 2,2-dimethylpropane IV 3-methylbutane star A I and II B I and III C II and IV D III and IV T5 Chapter 2.4 Isomers and Naming Based on IUPAC Nomenclature
31 Diagram below shows standard representation of atom Y and atom Z What is the relative formula mass of the compound formed from atom Y and Z? star A 30.0 B 64.0 C 62.5 D 133.5 T4 Chapter 2.3 Atomic Structure T4 Chapter 3.1 Relative Atomic Mass and Relative Molecular Mass
32 Excess zinc powder completely react with 25 cm^3 of 2.0 mol dm^-3 nitric acid solution as shown in equation below. Zn + 2HNO_3 -> Zn(NO_3)_2 + H_2 Time taken for reaction to complete is 120s. Determine the average rate of reaction of releasing hydrogen gas. [1 mol of gas occupies 24 dm^3] star A 5.00 cm^3 s^-1 B 1.20 cm^3 s^-1 C 0.20 cm^3 s^-1 D 0.02 cm^3 s^-1 T4 Chapter 7.1 Determining Rate of Reaction
33 The following equation represents the oxidation of metal X by steam. 3H_2O + 2X -> X_2O_3 + 3H_2 What is the maximum mass of X_2O_3 produced when 50 g of steam reacts with 100 g of metal X? [Relative atomic mass: H = 1; O = 16; X = 56] star A 20.7 g B 21.4 g C 142.9 g D 148.8 g T4 Chapter 3.4 Chemical Equation
34 Diagram shows the apparatus setup for a voltaic cell. How can the voltmeter reading get increased? star A Interchange the position of the electrodes B Replaced lead strip with zinc C Add more water to the solution D Replaced copper(II) sulphate solution with lead (II) nitrate solution T5 Chapter 1.3 Voltaic Cell
35 Table shows the melting points and boiling points of four substance P, Q, R and S. | Bahan Substance | Takat lebur (°C) Melting point (°C) | Takat didih (°C) Boiling point (°C) | |---|---|---| | P | - 187 | -126 | | Q | - 67 | 70 | | R | 78 | 125 | | S | 160 | 2400 | Which substance has an arrangement of particles which are very far apart from each another at room temperature? star A P B Q C R D S T4 Chapter 2.1 Basic Concepts of Matter
36 Diagram below shows a process to modify natural rubber to produce a type of rubber with better characteristic. Raju intends to use alternative method to produce above modified type of rubber. Among these method, which method is not your suggestion? star A Irradiation B Condensation polymerisation C Addition with peroxide D Addition with metal oxide T5 Chapter 4.2 Natural Rubber
37 Pak Rosli's leg was sprained during loosening the soil in his farm. Pak Rosli asked his son to take substance Y from the store and mix it into a plastic bag containing water. His son shook the plastic bag and pressed it onto the sprained part. What is substances Y? star A Ammonium nitrate B Calcium chloride C Calcium oxide D Formic acid T4 Chapter 6.8 Salts, Crystals and Their Uses in Daily Life
38 Diagram shows a labelled medicine bottle prescribes by doctor to Amir's' son. However, Amir forgot to feeding medicine to his son in the morning. At night, Amir feeds his son 10ml the medicine to his son. Which of the following statements, best describes Amir's action? star A Wrong. His son needs to consume the medicine twice a day. B Right. The number of doses given is sufficient for that day. C Wrong. The doses given is excessive and causes drowsiness. D Right. The doses given is doubled, so his son still can recover faster. T5 Chapter 5.4 Medicines and Cosmetics
39 Diagram shows an example of qualitative analysis of a solid X which is green in colour and three possible results which are I, II and III. Which of the following is the correct example of salt for each possibility? star A CuCO_3 | FeSO_4 | CuCl_2 B CuCl_2 | FeSO_4 | CuCO_3 C FeSO_4 | CuCO_3 | CuCl_2 D CuCO_3 | CuCl_2 | FeSO_4 T4 Chapter 6.11 Qualitative Analysis
40 Diagram below shows the conversion of liquid Y to ethanoic acid and reaction of ethanoic acid. Based on diagram, identify X, Y and Z star A CH_3OH | CH_3COONa | CH_3COOCH_2 B C_2H_5OH | CH_3COOCH_2 | CH_3COONa C CH_3OH | CH_3COONa | H_2O D C_2H_5OH | CH_3COONa | H_2O T4 Chapter 6.4 Chemical Properties of Acids and Alkalis T5 Chapter 2.3 Chemical Properties and Interconversion of Compounds Between Homologous Series