1 Who discovered neutrons? star A Neils Bohr B J.J Thomson C James Chadwick D Ernest Rutherford T4 Chapter 2.2 The Development of the Atomic Model
2 Which of the following is the use of phosphorus-32? star A Determine the age of fossils B Treat cancer patients C Diagnose thyroid problems D Study the metabolism of plants T4 Chapter 2.4 Isotopes and Its Uses
3 The relative molecular mass of M_2(SO_4)_3 is 342. What is the relative atomic mass of element M? [Relative atomic mass: O = 16; S = 32] star A 27 B 54 C 118 D 123 T4 Chapter 3.1 Relative Atomic Mass and Relative Molecular Mass
4 The boiling point of chlorine is lower than bromine. Which statement best explains this phenomena? star A The atomic size of chlorine is smaller. B The number of electrons in chlorine is lesser. C Covalent bond between chlorine atoms is weaker. D The force of attraction between chlorine molecules is weaker. T4 Chapter 4.5 Elements in Group 17
5 Element P is located in the same group with iron in the Periodic Table of elements. Which of the following are the characteristics of P? - Low melting point - Poor heat conductor - Act as a catalyst - Has more than one oxidation number star A I and II B II and IV C I and III D III and IV T4 Chapter 4.7 Transition Elements
6 Which of the following substances is a diprotic acid? star A Ethanoic acid B Phosphoric acid C Sulphuric acid D Hydrochloric acid T4 Chapter 6.1 The Role of Water in Showing Acidic and Alkaline Properties
7 Which of the following substances consist of ionic bond? star A Calcium chloride B Carbon monoxide C Sulphur dioxide D Tetrachloromethane T4 Chapter 5.2 Ionic Bond
8 Diagram 1 shows the apparatus set-up to prepare salt Y through reaction X. What is the reaction of X, substance A, substance B and salt Y? star A Neutralisation, Lead(II) oxide, Hydrochloric acid, Lead(II) choride B Neutralisation, Sodium hydroxide solution, Sulphuric acid, Sodium sulphate C Double decomposition reaction, Sulphuric acid, Potassium hydroxide solution, Potassium sulphate D Double decomposition reaction, Sodium sulphate, Barium nitrate, Barium sulphate T4 Chapter 6.9 Preparation of Salts
9 Diagram 2 shows some items made from a type of glass. What is the type of glass used in making the items? star A Lead crystal glass B Borosilicate glass C Soda-lime glass D Fused silica glass T4 Chapter 8.2 Composition of Glass and Its Uses
10 Which of the following is the properties of reinforced concrete? - Resistant to heat - Resistant to abrasion - Resistant to corrosion - High compression and stretching strength star A I and II B I and III C II and IV D III and IV T4 Chapter 8.4 Composite Materials and Its Importance
11 A reactive metal Y burnt in the air. What happened to the reactive metal Y? star A Decrease in oxidation number B Loss of oxygen C Gain of hydrogen D Loss of electron T5 Chapter 1.1 Oxidation and Reduction
12 Which of the following is correct? star A Acetamide, Tetrachloromethane B Glucose solution, Acetamide C Magnesium nitrate solution, Glucose solution D Tetrachloromethane, Sodium hydroxide solution T4 Chapter 5.7 Properties of Ionic Compounds and Covalent Compounds
13 Mr. Hassan is the owner of a factory that produces sealants. Diagram 3 shows the characteristics of the sealants that Mr. Hassan wants to manufacture. - Resistant to organic solvent - Resistant to oil Which of the following synthetic rubbers is most suitable to produce sealants? star A Thiokol B Neoprene C Silicone rubber D Styrene-butadiene rubber T5 Chapter 4.3 Synthetic Rubber
14 The discovery of graphene has opened a new chapter in the field of nanotechnology. Various existing applications can be improved or replaced with graphene that has superior and distinctive characteristics. Which of the following is correct about the physical properties of graphene? star A Impermeable B Hard but brittle C Electrical insulator D Heat insulator T5 Chapter 5.5 Application of Nanotechnology in Industry
15 Which of the following statements are correct about fats and oils? - Fats and oils are esters. - Fats and oils are obtained from animal sources. - Fats exist in solid form while oils exist in liquid form at room temperature. - Unsaturated fats can be converted to saturated fats through the process of oxidation. star A I and II B I and III C II and IV D III and IV T5 Chapter 5.1 Oils and Fats
16 Diagram 4 shows the set-up of the apparatus used to determine the empirical formula of a metal oxide. Which of the following metal oxides is suitable to be used in the experiment? star A Al_2O_3 B Ag_2O C Fe_2O_3 D MgO T4 Chapter 3.3 Chemical Formula
17 Table 1 shows the proton number of two elements X and Y. Which of the following statements is correct 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
18 Diagram 5 shows the apparatus set-up to study the reactivity of alkali metals towards oxygen. Table 2 shows the observation for each reaction. What is the correct arrangement of reactivity of the elements towards oxygen in descending order? star A X, Y, Z B X, Z, Y C Y, Z, X D Z, Y, X T4 Chapter 4.4 Elements in Group 1
19 Table 3 shows the electron arrangement of element P and L. What is the chemical formula and the type of bond of the compound formed from the reaction between P and L? star A P_2L, Covalent B P_2L, Ionic C PL_2, Covalent D PL_2, Ionic T4 Chapter 5.1 Basics of Compound Formation
20 Diagram 6 shows Danish flipping a page in the book by wetting the finger. Which of the following statements explains the situation? star A Covalent bond in cellulose in the paper is broken with the presence of water molecules. B Water molecules at fingertip forms hydrogen bond with the cellulose molecules in the paper. C Water molecules at fingertip absorbs cellulose in the paper causing the molecular size of water to increase. D Electrons in the water molecules are delocalised to form sea of electrons causing paper is easy to flip. T4 Chapter 5.4 Hydrogen Bond
21 Compound Y consists of oppositely-charged particles. Which of the following are not true about the properties of compound Y? - Has high melting and boiling points. - Exists in liquid form at room temperature. - Soluble in water. - Conduct electricity in solid state. star A I and II B I and III C II and IV D III and IV T4 Chapter 5.7 Properties of Ionic Compounds and Covalent Compounds
22 Table 4 show the observation when blue litmus paper is dipped into in three substances. Which of the following statements explain the observations? star A Acids show their acidic properties only when dissolve in water. B Litmus paper does not react with glacial ethanoic acid. C Propanone is an organic solvent. D Glacial ethanoic acid is a weak acid. T4 Chapter 6.1 The Role of Water in Showing Acidic and Alkaline Properties
23 Table 5 shows information about two different solutions. Which of the following is not true about the two solutions? star A The degree of ionisation of carbonic acid is lower than hydrochloric acid. B The pH value of hydrochloric acid is higher than carbonic acid. C A big portion of carbonic acid exists as molecules. D The concentration of H^+ ion is higher in hydrochloric acid. T4 Chapter 6.3 Strength of Acids and Alkalis
24 Diagram 7 shows the apparatus set-up to prepare silver chloride. Which of the following materials is the most suitable to react with hydrochloric acid to prepare silver chloride? star A Silver nitrate B Silver sulphate C Silver metal D Silver carbonate T4 Chapter 6.9 Preparation of Salts
25 Jessica went to see Dr. Ahmad because she had gastric. Diagram 8 shows the conversation between Doctor Ahmad and Jessica. Why does Dr. Ahmad give these instructions to Jessica? star A To increase the concentration of acid in the stomach B To make it easier for patients to swallow tablets C To break up the tablet into samller pieces D To reduce the total surface area of tablet exposed to the acid T4 Chapter 7.3 Application of Factors that Affect the Rate of Reaction in Daily Life
26 A student carried out an experiment to investigate the hardness of an alloy with its pure metal. Diagram 9 shows the diameter of the dents produced in the experiment for substance P and Q. Which of the following statements is the correct about substance P and Q? - Substance P is resistant to corrosion. - Atom of substance Q is arranged in an orderly manner. - Substance P is made up of one type of atom that is of the same size. - The layers of atoms in substance Q is difficult to slide over each other when force is applied. star A I and II B I and III C III and IV D II and IV T4 Chapter 8.1 Alloy and Its Importance
27 Table 6 shows the standard electrode potential values of half-cells for some metals. Which of the following is the arrangement of the atoms or ions in an ascending order of the strength of reducing agents? star A Mg, Zn, Cu B Cu, Zn, Mg C Mg^2+, Zn^2+, Cu^2+ D Cu^2+, Zn^2+, Mg^2+ T5 Chapter 1.2 Standard Electrode Potential
28 Diagram 10 shows the structural formula of an organic compound. What is the name of the organic compound? star A Pent-2-ene B Pent-3-ene C 1-methylbut-2-ene D 4-methylbut-2-ene T5 Chapter 2.4 Isomers and Naming Based on IUPAC Nomenclature
29 Diagram 11 shows the materials used to remove an oily stain at a piece of cloth. Which situation can remove the oily stain? - Situation A - Situation B - Situation C - Situation D star A I and II B I and III C III and IV D II and IV T5 Chapter 5.2 Cleaning Agents
30 Diagram 12 shows an injury of a student during sports day. What is the type of medicine should be taken by the student? star A Analgesics B Antimicrobials C Corticosterioids D Psychotic drugs T5 Chapter 5.4 Medicines and Cosmetics
31 The following equation represents the decomposition reaction of solid copper(II) nitrate. 2Cu(NO_3)_2 \rightarrow 2CuO + 4NO_2 + O_2 What is the volume of oxygen gas produce at room condition when 1.88 g of solid copper(II) nitrate is decomposed? [Relative atomic mass: Cu= 64, N=14, O=16; Molar volume of gas at room conditions= 24 dm^3mol^-1] star A 12 cm^3 B 24 cm^3 C 120 cm^3 D 240 cm^3 T4 Chapter 3.2 Mole Concept T4 Chapter 3.4 Chemical Equation
32 When copper(II) carbonate is heated, lime water turns cloudy and a black solid is formed. Which of the following equations represents the reaction correctly? star A Cu_2CO_3 \to Cu_2O + CO_2 B CuCO_3 \to CuO + CO_2 C CuCO_3 \to CuO_2 + CO_2 D CuCO_2 \to Cu + CO_2 T4 Chapter 3.4 Chemical Equation
33 In which of the following test tubes does a reaction occur? star A A Figure B B Figure C C Figure D D Figure T4 Chapter 7.2 Factors Affecting Rate of Reactions
34 14.9 g of potassium chloride, KCl is dissolved in distilled water to produce 0.4 mol dm⁻³ potassium chloride solution. What is the volume of distilled water needed to dissolved the potassium chloride? [Molar mass KCl = 74.5 g mol⁻¹] star A 50 cm³ B 200 cm³ C 500 cm³ D 100 cm³ T4 Chapter 6.5 Concentration of Aqueous Solution
35 Table 7 shows the total volume of hydrogen gas collected at regular intervals for the reaction between zinc and dilute hydrochloric acid. What is the average rate of the reaction? star A 0.10 cm³ min⁻¹ B 7.60 cm³ min⁻¹ C 10.60 cm³ min⁻¹ D 37.40 cm³ min⁻¹ T4 Chapter 7.1 Determining Rate of Reaction
36 Diagram 13 shows the apparatus set up to investigate the reaction between potassium iodide solution and iron(II) sulphate solution. Which of the following statements is correct about the reaction? star A Manganate(VII) ion is oxidised to manganate(II) ion. B The colour of potassium iodide change from green to yellow. C Iodide ion is oxidised to iodine molecule. D Potassium iodide is an oxidising agent. T5 Chapter 1.1 Oxidation and Reduction
37 Diagram 14 shows a chemical cell. The electrons move from electrode L to electrode M through the external circuit. Which statement is correct about the reaction in the chemical cell? star A M^2+ ion is oxidised. B Reduction occurs at electrode L. C E° value of L is more negative than M. D Positive terminal is at electrode L. T5 Chapter 1.3 Voltaic Cell
38 Which of the following are the isomers of C4H9OH? - Propan-2-ol - Butan-1-ol - 2-methylpropan-2-ol - 2-methylbutan-2-ol star A I and II B I and IV C III and IV D II and III T5 Chapter 2.4 Isomers and Naming Based on IUPAC Nomenclature
39 The following information shows the results of an experiment to determine the heat of combustion of fuel X. Mass of fuel X burnt = 18.0g Volume of water in the copper container =250.0 cm^3 Increase in temperature = 16.0°C What is the heat of combustion of fuel X? [Molar mass of fuel X=180g mol^-1; Specific heat capacity of water = 4.2 Jg^-1°C^-1; density of water = 1.0g cm^-3] star A -1.68 kJmol^-1 B -18.00 kJmol^-1 C -168.00 kJmol^-1 D -180.00 kJmol^-1 T5 Chapter 3.2 Heat of Reaction
40 The equation below represents a neutralisation reaction. 2HNO_3 + Ba(OH)_2 -> Ba(NO_3)_2 + 2H_2O 10.0 cm^3 0.1 mol dm^-3 of barium hydroxide solution is titrated with 0.1 mol dm^-3nitric acid. If the initial reading of the burette is 20.00 cm^3, what is the final reading of the burette? star A 20.00 cm^3 B 30.00 cm^3 C 40.00 cm^3 D 50.00 cm^3 T4 Chapter 6.7 Neutralisation