1 Which of the following is not the symptom of mercury poisoning? star A Coughing B Cold C Vision problem D Increase in blood pressure T4 Chapter 1.3 Usage, Management and Handling of Apparatus and Materials
2 Diagram 1 shows a material excavated in the ground. Which of the following isotopes is used to estimate the age of the material? star A Carbon-14 B Sodium-24 C Cobalt-60 D Iodine-131 T4 Chapter 2.4 Isotopes and Its Uses
3 Which of the following is the IUPAC name for Cu_2O? star A Copper oxide B Copper(I) oxide C Copper(II) oxide D Dicopper oxide T4 Chapter 3.3 Chemical Formula
4 Which of the following is a monoatomic gas? star A Krypton B Oxygen C Nitrogen D Hydrogen T4 Chapter 4.3 Elements in Group 18
5 Which of the following substances is a covalent compound? star A Sodium oxide B Carbon dioxide C Silver chloride D Calcium carbonate T4 Chapter 5.3 Covalent Bond
6 Which of the following substances ionise partially in water? star A Ammonia B Nitric acid C Hydrogen chloride D Sodium hydroxide T4 Chapter 6.3 Strength of Acids and Alkalis
7 Which of the following is a fast reaction? star A Combustion B Photosynthesis C Fermentation D Rusting T4 Chapter 7.1 Determining Rate of Reaction
8 Diagram 2 shows a type of manufactured substance in industry. What is X? star A Alloy B Glass C Ceramic D Composite materials T4 Chapter 8.4 Composite Materials and Its Importance
9 Solution Q is used to change iron(II) ion to iron(III) ion. What is Q? star A Bromine water B Sulphuric acid C Potassium iodide solution D Potassium manganate(VII) solution T5 Chapter 1.1 Oxidation and Reduction
10 Which of the following is true about the physical properties of alkene? star A Has high density B Conducts electricity in liquid state C Soluble in water but insoluble in organic solvent D Boiling point increases when the number of carbon atom per molecule increases T5 Chapter 2.2 Homologous Series
11 Diagram 3 shows an energy profile diagram. Which of the following represents the heat of reaction? star A P B Q C R T5 Chapter 3.1 Heat Change in Reactions
12 Which polymer is correct for its source and monomer? | | Polymer | Source of polymer | Monomer | |---|---|---|---| | A | Polystyrene | Natural | Styrene | | B | Natural rubber | Natural | Neoprene | | C | Cellulose | Synthetic | Glucose | | D | Polychloroethene | Synthetic | Vinyl chloride | star A Polystyrene, Natural, Styrene B Natural rubber, Natural, Neoprene C Cellulose, Synthetic, Glucose D Polychloroethene, Synthetic, Vinyl chloride T5 Chapter 4.1 Polymer
13 Diagram 4 shows an example of cosmetic. Which of the following shows the same type of cosmetic as Diagram 4? star A Eyeshadows B Facial masks C Deodorants D Skin moisturisers T5 Chapter 5.4 Medicines and Cosmetics
14 Who discovered proton? star A Neils Bohr B J. J. Thomson C James Chadwick D Ernest Rutherford T4 Chapter 2.2 The Development of the Atomic Model
15 Compound Z is made up of lead(II) ion and hydroxide ion. Which of the following is the formula of compound Z? star A PbOH B PbOH_2 C Pb_2OH D Pb(OH)_2 T4 Chapter 3.3 Chemical Formula
16 Element Q is located in the same group as neon, Ne in the Periodic Table of Elements. Which of the following is true about element Q? star A Exists as diatomic molecules B Exists as liquid at room temperature C Has low melting and boiling point D Reacts with sodium to form ionic compound T4 Chapter 4.3 Elements in Group 18
17 Diagram 5 shows the electron arrangement of atom X and atom Y. X and Y are not the actual symbols of the elements. Which pair of formula and the type of compound is correct? | | Formula | Type of compound | |---|---|---| | A | XY_4 | Ionic | | B | XY_4 | Covalent | | C | X_4Y | Ionic | | D | X_4Y | Covalent | star A XY_4, Ionic B XY_4, Covalent C X_4Y, Ionic D X_4Y, Covalent T4 Chapter 5.1 Basics of Compound Formation
18 A green colour salt produces a blue solution when dissolved in water. What is the name of the salt? star A Copper(II) nitrate B Copper(II) sulphate C Copper(II) chloride D Copper(II) carbonate T4 Chapter 6.11 Qualitative Analysis
19 Diagram 6 shows a graph of gas collected from the reaction between calcium carbonate and hydrochloric acid. Which point shows the highest rate of reaction? star A P B Q C R D T T4 Chapter 7.1 Determining Rate of Reaction
20 Table 1 shows the composition of pewter. | Element | Percentage (%) | |---|---| | Q | 95.0 | | Copper | 2.0 | | Antimony | 3.0 | What is Q? star A Iron B Gold C Tin D Aluminium T4 Chapter 8.1 Alloy and Its Importance
21 Diagram 7 shows the apparatus set-up to study transfer of electron at a distance. Deflection of galvanometer needle shows that electron move from electrode carbon X to Y. Which of the following substances are suitable as solution Z? I Chlorine water II Potassium bromide solution III Iron(II) sulphate solution IV Acidified potassium dichromate(VI) solution star A I and II B II and III C III and IV D I and IV T5 Chapter 1.1 Oxidation and Reduction
22 Diagram 8 shows the structural formula of a compound. Which of the following are the correct statements about the compound? I Soluble in water II Non-hydrocarbon III Produced from the reaction between ethanol and propanoic acid IV Reacts with reactive metal to produce hydrogen gas star A I and II B II and III C III and IV D I and IV T5 Chapter 2.3 Chemical Properties and Interconversion of Compounds Between Homologous Series
23 Diagram 9 shows two substances used to determine heat of reaction. Which of the following statement is correct based on the above reaction? star A Heat is released to the surrounding B The heat of reaction shows negative sign C Total energy of the products is higher than reactants D The energy released to form bonds is higher than the energy absorbed to break bonds T5 Chapter 3.1 Heat Change in Reactions
24 Which of the following explains the main difference between addition polymerisation and condensation polymerisation? star A Addition polymerisation releases steam B Condensation polymerisation requires a catalyst C Addition polymerisation does not form by-products D Condensation polymerisation occurs in polystyrene production T5 Chapter 4.1 Polymer
25 Diagram 10 shows the anion structure of a cleaning agent. Which of the following is true about the cleaning agent? star A Biodegradable B Forms scum in sea water C Forms soluble organic acid in acidic water D Vegetable oil is used to produce it T5 Chapter 5.2 Cleaning Agents
26 Diagram 11 shows the arrangement of particles for substances P, Q and R at room temperature. Which of the following are substances P, Q and R? | | P | Q | R | |---|---|---|---| | A | Propanol | Copper(II) chloride | Propane | | B | Propane | Propanol | Copper(II) chloride | | C | Propane | Copper(II) chloride | Propanol | | D | Copper(II) chloride | Propanol | Propane | star A Propanol, Copper(II) chloride, Propane B Propane, Propanol, Copper(II) chloride C Propane, Copper(II) chloride, Propanol D Copper(II) chloride, Propanol, Propane T4 Chapter 2.1 Basic Concepts of Matter
27 Which pair of ions has the same number of electrons? [Proton number: O = 8, Na = 11, Mg = 12, Al = 13, Cl = 17, Ca = 20] star A Na$^+$ and Al$^{3+}$ B Cl$^-$ and O$^{2-}$ C Na$^+$ and Ca$^{2+}$ D Mg$^{2+}$ and Cl$^-$ T4 Chapter 2.3 Atomic Structure
28 Diagram 12 shows the molecular structure of vitamin B known as thiamine. Which of the following is the empirical formula for thiamine? star A C_12H_17N_4SO B C_12H_16N_4SO C C_13H_16N_4SO D C_13H_17N_3SO T4 Chapter 3.3 Chemical Formula
29 Diagram 13 shows the electron arrangement of atom Q. Which of the following is correct about Q? star A Forms brown solid when reacts with Group 1 elements B Forms white solid when reacts with hot iron wool C Produces brown colour in 1,1,1-trichloroethane D Able to bleach damp blue litmus paper T4 Chapter 4.5 Elements in Group 17
30 The boiling point of ethanoic acid and sulphur dioxide are 118°C and -10°C respectively. Which of the following statement best explains the difference? star A Hydrogen bond exists between ethanoic acid molecules but does not exist between sulphur dioxide molecules. B Van der Waals force of attraction between ethanoic acid molecules is stronger than sulphur dioxide. C Degree of ionisation of ethanoic acid in water is lower than sulphur dioxide D The size of ethanoic acid molecule is larger than sulphur dioxide molecule T4 Chapter 5.4 Hydrogen Bond
31 What is the concentration of solution produced when 400 cm³ of distilled water is added into volumetric flask containing 100 cm³ of 2.0 mol dm⁻³ nitric acid? star A 0.2 mol dm⁻³ B 0.4 mol dm⁻³ C 0.5 mol dm⁻³ D 0.8 mol dm⁻³ T4 Chapter 6.6 Standard Solution
32 Which equations represent a neutralisation reaction? I CuO + H2SO4 → CuSO4 + H2O II C2H5OH + 3O2 → 2CO2 + 3H2O III MgCO3 + 2HCl → MgCl2 + CO2 + H2O IV CH3COOH + NaOH → CH3COONa + H2O star A I and II B II and III C III and IV D I and IV T4 Chapter 6.7 Neutralisation
33 Diagram 14 shows the set-up of apparatus to determine the heat of precipitation of silver chloride. The temperature of mixture increases by 5 °C. What need to be done to double the temperature rise? star A Use 50 cm^3 of 1.0 mol dm^-3 potassium chloride solution B Use 50 cm^3 of 2.0 mol dm^-3 sodium chloride solution C Use 100 cm^3 for both solutions D Use 2.0 mol dm^-3 for both solutions T5 Chapter 3.2 Heat of Reaction
34 10 g of magnesium oxide is added to 100 cm^3 of 2.0 mol dm^-3 hydrochloric acid. What is the mass of unreacted magnesium oxide? [Relative atomic mass: O = 16, Mg = 24] star A 8.0 g B 6.0 g C 4.0 g D 2.0 g T4 Chapter 3.2 Mole Concept T4 Chapter 3.4 Chemical Equation T4 Chapter 6.4 Chemical Properties of Acids and Alkalis
35 When excess magnesium powder is added to 50 cm^3 of 0.1 mol dm^-3 nitric acid, 60 cm^3 gas is produced. Which acid can produce the same volume of gas in shorter time? I 50 cm^3 of 0.2 mol dm^-3 hydrochloric acid II 25 cm^3 of 0.2 mol dm^-3 hydrochloric acid III 25 cm^3 of 0.1 mol dm^-3 sulphuric acid IV 50 cm^3 of 0.1 mol dm^-3 sulphuric acid star A I and II B II and III C III and IV D I and IV T4 Chapter 7.2 Factors Affecting Rate of Reactions
36 Diagram 15 shows the apparatus set-up for a simple voltaic cell. Table 2 shows the standard electrode potential value of half-cells for two metals. | Half-cell equations | E° / V | |---|---| | Zn^2+ + 2e- ⇌ Zn | E° = - 0.76 V | | Mg^2+ + 2e- ⇌ Mg | E° = - 2.38 V | What is the voltage value of the cell? star A +1.62 V B -1.62 V C +3.14 V D -3.14 V T5 Chapter 1.3 Voltaic Cell
37 The following equation represents the complete combustion of a compound. C_xH_{2x+1}OH + zO_2 → xCO_2 + yH_2O What are the values of x, y and z? | | x | y | z | |---|---|---|---| | A | 5 | 6 | 7 | | B | 4 | 5 | 6 | | C | 3 | 4 | 5 | | D | 2 | 3 | 4 | star A 5, 6, 7 B 4, 5, 6 C 3, 4, 5 D 2, 3, 4 T4 Chapter 3.4 Chemical Equation T5 Chapter 2.3 Chemical Properties and Interconversion of Compounds Between Homologous Series
38 Diagram 16 shows the structural formula of an ester. Which of the following are the names of alcohol and carboxylic acid used to prepare the ester? star A Pentanol and butanoic acid B Butanol and pentanoic acid C Propanol and pentanoic acid D Pentanol and propanoic acid T5 Chapter 2.3 Chemical Properties and Interconversion of Compounds Between Homologous Series
39 Diagram 17 shows the observation of three tests on salt X. | Experiment | Apparatus set-up | Observation | |---|---|---| | I | | | | II | | | | III | | | What is X? star A Calcium nitrate B Zinc nitrate C Lead(II) nitrate D Magnesium nitrate T4 Chapter 6.10 Effect of Heat on Salts
40 Diagram 18 shows the graph of volume of carbon dioxide gas against time when excess marble powder is added to hydrochloric acid, HCl with different concentration and volume. Which of the following produce curve I and II? | | Curve I | Curve II | |---|---|---| | A | 20 cm³, 1.0 mol dm⁻³ | 40 cm³, 1.0 mol dm⁻³ | | B | 20 cm³, 1.0 mol dm⁻³ | 20 cm³, 2.0 mol dm⁻³ | | C | 20 cm³, 2.0 mol dm⁻³ | 40 cm³, 2.0 mol dm⁻³ | | D | 20 cm³, 2.0 mol dm⁻³ | 80 cm³, 1.0 mol dm⁻³ | star A 20 cm³, 1.0 mol dm⁻³; 40 cm³, 1.0 mol dm⁻³ B 20 cm³, 1.0 mol dm⁻³; 20 cm³, 2.0 mol dm⁻³ C 20 cm³, 2.0 mol dm⁻³; 40 cm³, 2.0 mol dm⁻³ D 20 cm³, 2.0 mol dm⁻³; 80 cm³, 1.0 mol dm⁻³ T4 Chapter 7.2 Factors Affecting Rate of Reactions