1 Which of the following pairs is matched correctly? star A Food - Herbicide B Agriculture - Stabilizer C Medicine - Analgesic D Industry - Preservative T5 Chapter 5.4 Medicines and Cosmetics
2 Which substance is a compound? star A Water B Gold C Air D Carbon T4 Chapter 2.1 Basic Concepts of Matter
3 What are the other names for the elements in Group 1? star A Noble Gases B Halogen C Alkali metal D Alkaline earth metal T4 Chapter 4.4 Elements in Group 1
4 Hydrogen bond can be formed between hydrogen atom and atom of star A Chlorine B Fluorine C Bromine T4 Chapter 5.4 Hydrogen Bond
5 ### Table 1 | Solution | P | Q | R | S | |---|---|---|---|---| | pH | 5 | 6 | 7 | 9 | Which solution is alkaline? star A P B Q C R D S T4 Chapter 6.2 pH Value
6 Which of the following is an insoluble salt? star A Barium sulphate B Silver nitrate C Calcium chloride D Sodium carbonate T4 Chapter 6.9 Preparation of Salts
7 Which process has the highest rate of reaction? star A Respiration B Rusting C Combustion D Photosynthesis T4 Chapter 7.1 Determining Rate of Reaction
8 Which of the following shows the arrangement of the atoms in an alloy? star A A Figure B B Figure C C Figure D D Figure T4 Chapter 8.1 Alloy and Its Importance
9 Which of the following occurs in reduction reaction? star A Gain oxygen B Gain electron C Loss hydrogen D Increase in oxidation number T5 Chapter 1.1 Oxidation and Reduction
10 Which of the following is a saturated hydrocarbon? star A Alkane B Alkene C Alcohol D Carboxylic acid T5 Chapter 2.3 Chemical Properties and Interconversion of Compounds Between Homologous Series
11 Which statement is correct about endothermic reaction? star A The container becomes hot. B The temperature of the mixture decreases. C Heat energy is released to the surroundings. D The heat energy is converted to kinetic energy. T5 Chapter 3.1 Heat Change in Reactions
12 Glucose is the basic unit of polymer X. What is polymer X? star A Starch B Protein C Natural rubber D Polyvinyl chloride T5 Chapter 4.1 Polymer
13 Which additive in detergent is used to remove protein stains from clothes? star A Biological enzyme B Whitening agent C Anti suspension agent T5 Chapter 5.2 Cleaning Agents
14 In order to produce a glass that is more resistant to heat and chemicals, substance Y is added to soda lime glass in the manufacturing process. What is X? star A Boron oxide B Sodium carbonate C Calcium carbonate D Lead(II) oxide T4 Chapter 8.2 Composition of Glass and Its Uses
15 What is the correct functional group for the following homologous series? star A Ester - -O-H B Alkyne - -C=C- C Alcohol - O || -C-O- D Carboxylic acid - O || -C-O-H T5 Chapter 2.2 Homologous Series
16 ### Table 2 | Particle | Number of proton | Number of neutron | Number of electron | |---|---|---|---| | F | 12 | 12 | 12 | | G | 19 | 20 | 18 | Which of the following statement is true about particles F and G? star A Particles F and G are atoms B The mass of one mole of atom F is 24 g C The nucleon number of atom G is 38 D The number of valence electron of atom G is 8 T4 Chapter 2.3 Atomic Structure
17 ### Diagram 1 Which one of the following metal oxides is suitable to be used in the experiment? star A MgO B Ag_2O C Al_2O_3 T5 Chapter 1.5 Extraction of Metal from Its Ore
18 Which substance contains 6.02 x 10^23 atoms? star A 1.0 mol of chlorine gas B 1.0 mol of oxygen gas C 1.0 mol of helium gas T4 Chapter 3.2 Mole Concept
19 ### Diagram 2 Which element has the highest tendency to accept electrons? star A P B Q C R D S T4 Chapter 4.5 Elements in Group 17
20 ### Diagram 3 What is solution M, solution N and salt L? star A Magnesium nitrate, Barium chloride, Magnesium chloride B Lead(II) nitrate, Silver chloride, Lead(II) chloride C Barium nitrate, Sodium chloride, Barium chloride D Lead(II) nitrate, Sodium chloride, Lead(II) chloride T4 Chapter 6.9 Preparation of Salts
21 Which of the following substance will produce higher rate of reaction star A 25 cm^3 of 0.1 mol dm^-3 nitric acid, HNO_3 B 25 cm^3 of 0.1 mol dm^-3 phosphoric acid, H_3PO_4 C 25 cm^3 of 0.1 mol dm^-3 hydrochloric acid, HCl D 25 cm^3 of 0.1 mol dm^-3 sulphuric acid, H_2SO_4 T4 Chapter 6.3 Strength of Acids and Alkalis T4 Chapter 7.2 Factors Affecting Rate of Reactions
22 Which of the following metal can be extracted from its ores through the reduction process by carbon? star A Lead B Sodium C Magnesium D Aluminium T5 Chapter 1.5 Extraction of Metal from Its Ore
23 ### Diagram 4 Which of the following is a property of the compound shown in Diagram 4? star A Consists of molecule B Soluble in organic solvent C Has a low melting point D Conducts electricity in the molten state T4 Chapter 5.7 Properties of Ionic Compounds and Covalent Compounds
24 ### Diagram 5 No change was observed on red litmus paper. What should be done to change the color of the litmus paper? star A Heat the test tube B Close the test tube with cork C Replace propanone with distilled water D Replace propanone with methylbenzene T4 Chapter 6.1 The Role of Water in Showing Acidic and Alkaline Properties
25 ### Diagram 6 At what time does the reaction occur at the lowest rate? star A t1 B t2 C t3 D t4 T4 Chapter 7.1 Determining Rate of Reaction
26 The following are the characteristics of a new product in industry. - High stretching strength - Tough and durable - Heat and electrical durable What substance can be used to produce the new product? star A Ceramic B Fibre glass C Fibre optic D Superconductor T4 Chapter 8.4 Composite Materials and Its Importance
27 ### Table 3 | Element | Relative atomic mass | |---|---| | X | 45 | | Y | 9 | Which of the following is true about elements X and Y? star A Mass of atom Y is 9 g B The number of protons in atom X is 45 C 5 mol of Y has the same mass as 1 mol of X D The density of one atom X is 5 times higher than an atom Y T4 Chapter 3.2 Mole Concept
28 ### Diagram 7 Which of the following is the structural formula of the monomer of compound Y? star A A Figure B B Figure C C Figure D D Figure T5 Chapter 2.3 Chemical Properties and Interconversion of Compounds Between Homologous Series
29 ### Diagram 8 Among A, B and C, which represents the value of heat of displacement for this reaction? star A A B B C C T5 Chapter 3.2 Heat of Reaction
30 ### Diagram 9 Which of the following statement is true about Y- ion? I. Y- ion is cation II. Electron arrangement of Y- ion is 2.7 III. Y atom receives one electron to form Y- ion IV. Y- ion can form an ionic compound with sodium ion star A I and II B III and IV C I, II and III D II, III and IV T4 Chapter 2.3 Atomic Structure T4 Chapter 5.2 Ionic Bond
31 Toothpaste can be applied to treat ant bite. What is the name of the chemical that may be found in the ant bite? star A Sulphuric acid B Sodium nitrate C Methanoic acid D Sodium hydroxide T4 Chapter 6.7 Neutralisation
32 What are the oxidation numbers of chromium in K_2CrO_4 dan K_2Cr_2O_7? star A +1, +1 B +1, +2 C +6, +6 D +4, +7 T5 Chapter 1.1 Oxidation and Reduction
33 ### Diagram 10 Calculate the amount of heat released when 50 cm^3 of 2 mol dm^-3 nitric acid reacts with 50 cm^3 of 2 mol dm^-3 sodium hydroxide solution. star A 5.7 kJ B 11.4 kJ C 28.5 kJ D 57.0 kJ T5 Chapter 3.2 Heat of Reaction
34 ### Diagram 11 What is the mass of 0.25 mol vitamin C? [Relative atomic mass: H = 1; C = 12; O = 16] star A 39.75 g B 40.00 g C 41.00 g D 44.00 g T4 Chapter 3.2 Mole Concept
35 Calculate the pH value of calcium hydroxide, Ca(OH)_2 0.02 mol dm^-3. star A 1.0 B 1.4 C 12.3 D 13.0 T4 Chapter 6.2 pH Value
36 What is the number of moles for 200 cm^3 of nitric acid with a concentration of 31.5 g dm^-3? [Relative atomic mass: H = 1; N = 14; O = 16] star A 0.1 mol B 0.2 mol C 0.3 mol D 0.4 mol T4 Chapter 6.5 Concentration of Aqueous Solution
37 Which of the following half equation occur when zinc is in contact with copper metal? star A Cu -> Cu^2+ + 2e^- B Zn -> Zn^2+ + 2e^- C Cu^2+ + 2e^- -> Cu D Zn^2+ + 2e^- -> Zn T5 Chapter 1.3 Voltaic Cell
38 ### Table 4 | Time (s) | 0 | 30 | 60 | 90 | 120 | 150 | |---|---|---|---|---|---|---| | Volume of hydrogen gas, cm^3 | 0.00 | 7.50 | 14.80 | 20.40 | 25.00 | 25.00 | What is the average response rate in the second minute? star A 0.15 B 0.17 C 0.21 D 0.25 T4 Chapter 7.1 Determining Rate of Reaction
39 ### Diagram 12 Diagram 12 shows the conversion of compound X to two organic compounds through oxidation process and dehydration process. What is general formula of compound X? star A C_nH_2n B C_nH_2n+2 C C_nH_2n+1OH D C_mH_2m+1COOC_nH_2n+1 T5 Chapter 2.2 Homologous Series T5 Chapter 2.3 Chemical Properties and Interconversion of Compounds Between Homologous Series
40 ### Table 5 | Alcohol | Molecular formulae | Heat of combustion, kJ mol-1 | |---|---|---| | W | CH₃OH | -710 | | X | C₂H₅OH | -1370 | | Y | C₃H₇OH | -2020 | | Z | C₄H₉OH | -2670 | Which of the following statements explains the difference in heat of combustion from alcohol W to alcohol Z? star A Number of carbon atom per molecule increase B Number of oxygen atom per molecule increase C Number of hydrogen atom per molecule increase D The number of carbon dioxide and water molecules produced increases T5 Chapter 3.2 Heat of Reaction