1 Where is the position of electron in the structure of an atom? star A In the nucleus B In the neutron C In the shell T4 Chapter 2.2 The Development of the Atomic Model T4 Chapter 2.3 Atomic Structure
2 Who discovered proton? star A Neils Bohr B John Dalton C J. J. Thomson D Ernest Rutherford T4 Chapter 2.2 The Development of the Atomic Model
3 Which of the following is the chemical formula of copper(I) oxide? star A CuO B CuO_2 C Cu_2O D Cu_2O_2 T4 Chapter 3.3 Chemical Formula
4 The boiling point of bromine is higher than chlorine. Which statement explains this phenomenon correctly? star A The atomic size of bromine is bigger. B The proton number of bromine is bigger. C The covalent bond in bromine molecules is stronger. D Van der Waals attraction forces between bromine molecules are stronger. T4 Chapter 4.5 Elements in Group 17
5 Nickel is a transition metal. Which of the following is the special characteristic of nickel? star A Can neutralise acid B Can neutralise alkali C Can be a catalyst D Can conduct electricity T4 Chapter 4.7 Transition Elements
6 Diagram 1 shows the formation of ammonia boron trifluoride when ammonia, NH3 reacts with boron trifluoride, BF3. Diagram 1 What is the chemical bond formed between ammonia molecule and boron trifluoride molecule? star A Ionic bond B Dative bond C Metallic bond D Covalent bond T4 Chapter 5.5 Dative Bond
7 Which of the following substances ionised completely in water? I. Ammonia II. Hydrochloric acid III. Ethanoic acid IV. Sodium hydroxide star A I and II B I and III C II and IV D III and IV T4 Chapter 6.3 Strength of Acids and Alkalis
8 Which process has the highest rate of reaction? star A Photosynthesis B Combustion C Fermentation D Rusting T4 Chapter 7.1 Determining Rate of Reaction
9 Diagram 2 shows a pressure cooker. Diagram 2 What is substance M? star A Lead crystal glass B Photochromic glass C Soda lime glass D Borosilicate glass T4 Chapter 8.2 Composition of Glass and Its Uses
10 Digital communication plays a very important role in modern living. Effective transmission of data, voices and images in a digital format requires a suitable material. What is the material? star A Fibre glass B Optical fibre C Superconductor T4 Chapter 8.4 Composite Materials and Its Importance
11 Diagram 3 shows an apparatus set-up of a voltaic cell. Diagram 3 Given: Sn^2+ + 2e^- \rightleftharpoons Sn E^o = - 0.14 V X^2+ + 2e^- \rightleftharpoons X E^o = - 0.13 V 2H^+ + 2e^- \rightleftharpoons H_2 E^o = 0.00 V O_2 + 2H_2O +4e^- \rightleftharpoons 4OH^- E^o = +0.40 V Which of the following is true about the voltaic cell? star A Metal X undergoes oxidation process. B Tin metal undergoes reduction process. C E^o_cell is -0.27 V. D E^o_cell is +0.01 V. T5 Chapter 1.3 Voltaic Cell
12 Table 1 shows the standard electrode potential value of half-cell in a Daniell cell. | Persamaan sel setengah Half-cell equation | Nilai E° (V) E° value (V) | |---|---| | Cu^2+ (aq/ak) + 2e^- = Cu (s/p) | + 0.34 | | Ag^+ (aq/ak) + e^- = Ag (s/p) | + 0.80 | Table 1 Which of the following is the strongest oxidising agent? star A Cu^2+ B Ag^+ C Cu D Ag T5 Chapter 1.2 Standard Electrode Potential
13 Which of the following reactions absorbs heat from the surrounding? star A Solid sodium hydroxide is dissolved in distilled water. B Dilute hydrochloric acid added to sodium hydroxide solution. C Decomposition of zinc carbonate when heated. D Solid anhydrous copper(II) sulphate is dissolved in distilled water. T5 Chapter 3.1 Heat Change in Reactions
14 Diagram 4 shows the structural formula of a cleaning agent. Diagram 4 Based on Diagram 4, which of the following statement is true? star A X is hydrophilic part whereas Y is hydrophobic part. B X consists of saturated hydrocarbon or unsaturated hydrocarbon. C X and Y are soluble in grease. T5 Chapter 5.2 Cleaning Agents
15 Which of the following is the application of nanotechnology in daily life? star A Bigger solar cell B UV protective fabric C Food packaging D Low conductivity wiring system T5 Chapter 5.5 Application of Nanotechnology in Industry
16 The following equation represents the reaction between phosphorus and oxygen. P4 + 5O2 → 2P2O5 Which of the following statements is correct? star A 1 mole of phosphorus molecules react with 5 mole of oxygen atoms. B 1 mole of phosphorus molecules react with 5 mole of oxygen molecules. C 1 mole of phosphorus molecules react with 5 mole of oxygen atoms producing 2 mole of phosphorus pentoxide units. D 1 mole of phosphorus molecules react with 5 mole of oxygen molecules producing 2 mole of phosphorus pentoxide molecules. T4 Chapter 3.4 Chemical Equation
17 Elements P, Q and R placed in Period 3 of the Periodic Table of Elements. Table 2 shows information about the oxides of elements P, Q and R. | Unsur Element | Sifat oksida Properties of oxide | |---|---| | P | Asid Acidic | | Q | Bes Basic | | R | Amfoterik Amphoteric | Table 2 Which of the following is the correct sequence based on the increase in proton number? star A P, Q, R B P, R, Q C Q, P, R D Q, R, P T4 Chapter 4.6 Elements in Period 3
18 Element X is located in the same group as potassium in the Periodic Table of Elements. Which of the following statements are chemical properties of element X? I. Reacts with water to produce an alkaline solution II. Reacts with oxygen to produce a black solid III. Reacts with chlorine gas to produce a white solid IV. Reacts with potassium hydroxide solution to produce an acidic solution star A I and II B I and III C II and IV D III and IV T4 Chapter 4.4 Elements in Group 1
19 Diagram 5 shows the structure of sodium chloride crystal. Diagram 5 Which of the following is correct about the property of the compound? star A Soluble in water because water can overcome the Van der Waals force between the particles. B Soluble in organic solvent because the organic solvent can overcome the electrostatic force between the ions. C Cannot conduct electricity at molten state because ions are held at its fixed lattice. D High melting point and boiling point because a lot of heat energy is needed to overcome the strong electrostatic force between ions. T4 Chapter 5.7 Properties of Ionic Compounds and Covalent Compounds
20 Diagram 6 shows the state of curly hair when dry and wet. Diagram 6 Which of the following statements explains the situation? star A Transfer of electrons in hair protein molecules to water molecules. B Electrons in the protein molecules are delocalised to form sea of electrons causing wet hair to appear straight when wet. C Protein molecules in hair absorbs water when wet, causing the molecular size to increase. D Protein molecules in hair forms hydrogen bond with water molecules when hair is wet. T4 Chapter 5.4 Hydrogen Bond
21 Which of the following acids produce the highest concentration of hydrogen ions, H⁺ in water? star A CH3COOH B HCl C H2SO4 D H3PO4 T4 Chapter 6.3 Strength of Acids and Alkalis
22 Which of the following methods is used to prepare a standard solution? star A Dilution B Filtration C Evaporation D Sublimation T4 Chapter 6.6 Standard Solution
23 Which of the following substances reacts with magnesium carbonate, MgCO3 to produce magnesium chloride, MgCl2? star A Ammonium chloride, NH4Cl B Hydrochloric acid, HCl C Nitric acid, HNO3 D Sodium chloride, NaCl T4 Chapter 6.4 Chemical Properties of Acids and Alkalis
24 Which of the following solution will take the shortest time to form yellow precipitate when the same concentration of sodium thiosulphate solution is added? star A 5 cm^3 of 1.0 mol dm^-3 nitric acid B 5 cm^3 of 2.0 mol dm^-3 ethanoic acid C 5 cm^3 of 1.0 mol dm^-3 sulphuric acid D 10 cm^3 of 1.0 mol dm^-3 hydrochloric acid T4 Chapter 6.3 Strength of Acids and Alkalis T4 Chapter 7.2 Factors Affecting Rate of Reactions
25 Which of the following explanation is paired correctly with the application of the rate of reaction? | Aplikasi Application | Penerangan Explanation | |---|---| | Api dapat dinyalakan dengan lebih mudah dengan menggunakan ketulan arang yang kecil. Fire can be lighted easier when using smaller pieces of charcoal. | Jumlah luas permukaan terdedah kepada udara adalah lebih kecil. Total surface area exposed to air is smaller. | | Ikan dan daging disimpan dalam peti sejuk beku. Fish and meat are normally kept in a freezer. | Suhu yang rendah merendahkan kadar metabolisme bakteria. The low temperature slows down the rate of bacterial metabolism. | | Nikel digunakan dalam proses penghasilan marjerin. Nickel is used in the process of making margarine. | Untuk meningkatkan tenaga pengaktifan tindak balas. To increase the activation energy of the reaction. | | Makanan dimasak lebih cepat dalam periuk tekanan. Food cooks faster in a pressure cooker. | Tekanan yang tinggi mengurangkan bilangan molekul air yang bersentuh dengan makanan. The high pressure decreases the number of water molecules in contact with the food. | star A A B B C C D D T4 Chapter 7.3 Application of Factors that Affect the Rate of Reaction in Daily Life
26 Ceramic is used to make the wall of a nuclear reactor. Which of the following is the characteristics of ceramic for the usage? star A Hard and strong B Good electrical insulator C Remain stable at high temperature D Chemically inert and non-corrosive T4 Chapter 8.3 Composition of Ceramics and Its Uses
27 Diagram 7 shows the apparatus set-up for the electrolysis of molten lead(II) bromide, PbBr_2. Diagram 7 What are the products of carbon electrode X and Y? | | X | Y | |---|---|---| | A | Logam plumbum | Gas bromin | | | Lead metal | Bromine gas | | B | Gas hidrogen | Gas oksigen | | | Hydrogen gas | Oxygen gas | | C | Gas hidrogen | Gas bromin | | | Hydrogen gas | Bromine gas | | D | Gas bromin | Logam plumbum | | | Bromine gas | Lead metal | star A A B B C C D D T5 Chapter 1.4 Electrolytic Cell
28 Butene reacts with steam at the temperature of 300°C using concentrated phosphoric acid as a catalyst to produce compound P. What is P? star A C4H8 B C4H10 C C4H9OH D C3H7COOH T5 Chapter 2.3 Chemical Properties and Interconversion of Compounds Between Homologous Series
29 Diagram 8 is a structural formula of an organic compound. Diagram 8 What is the name of the organic compound? star A Hexan-1-ol B 1,1-dimethylbutan-1-ol C 2,2-dimethylbutan-1-ol D 2-methylpentan-2-ol T5 Chapter 2.2 Homologous Series T5 Chapter 2.4 Isomers and Naming Based on IUPAC Nomenclature
30 Puan Tan uses cosmetics X to treat pigmentation on her face. As a result of the usage of cosmetic X for ten years, her kidneys have damaged. What is the chemical substance in cosmetics X which causes the effect? star A Mercury B Tretinoin C Hydroquinone D Betamethasone valerate T5 Chapter 5.4 Medicines and Cosmetics
31 Diagram 9 shows a household item which is made from polymer Q. Diagram 9 Which of the following is the monomer of polymer Q? star A H H | | C = C | | H H B H Cl | | C = C | | H H C H H H | | | H - C - C = C - H | H D Cl H H | | | H - C - C = C - H | H T5 Chapter 4.1 Polymer
32 How many atoms are there in in 720 g of glucose, C_6H_12O_6? [Relative atomic mass: H = 1, C = 12, O = 16; Avogadro's constant: 6.02 x 10^23 mol^-1] star A 2.408 x 10^24 atoms B 1.806 x 10^24 atoms C 5.779 x 10^25 atoms D 3.606 x 10^25 atoms T4 Chapter 3.1 Relative Atomic Mass and Relative Molecular Mass T4 Chapter 3.2 Mole Concept
33 Diagram 10 shows the reading of pH meter when its probe is dipped into a M(OH)_2 solution. Diagram 10 What is the molarity of the solution? star A 0.005 mol dm^-3 B 0.010 mol dm^-3 C 0.001 mol dm^-3 D 0.020 mol dm^-3 T4 Chapter 6.2 pH Value
34 In an experiment, Ahmad adds excess of zinc oxide to 50 cm^3 of 2.0 mol dm^-3 nitric acid. What is the maximum mass of zinc nitrate formed? [Relative atomic mass: H = 1; N = 14; O = 16; Zn = 65] star A 9.45 g B 6.35 g C 1.89 g D 1.27 g T4 Chapter 3.2 Mole Concept T4 Chapter 6.7 Neutralisation
35 Which of the following is the homologous series for the monomer of natural rubber? star A Alkene B Alkane C Ester D Carboxylic acid T5 Chapter 4.2 Natural Rubber
36 Diagram 11 shows the observation of an experiment to study the effect of metal S and metal T on the rusting of iron. Diagram 11 Which of the following statements is correct? star A The blue spot shows the presence of OH- ions. B Fe^2+ ions present in Set I but not in Set II. C The metal S is copper while the metal T is magnesium. D The iron nail does not rust in Set I but iron nail in Set II rusted. T5 Chapter 1.6 Rusting
37 Which of the following is the isomers for butanol? I. Butan-2-diol II. 2-methylpropan-3-ol III. 2-methylpropan-2-ol IV. 2-methylpropan-1-ol 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
38 Diagram 12 shows a graph of volume of hydrogen gas against time for the reaction between zinc and nitric acid. Diagram 12 Curve J is obtained when 50 cm^3 of 1.0 mol dm^-3 nitric acid is added to excess zinc granules in a conical flask. Which of the following should be done to obtain curve K? star A Replace the zinc granules with magnesium granules. B Add a few drops of copper(II) sulphate solution. C Replace 50 cm^3 of 1.0 mol dm^-3 nitric acid with 50 cm^3 of 0.5 mol dm^-3 nitric acid. D Replace 50 cm^3 of 1.0 mol dm^-3 nitric acid with 25 cm^3 of 0.5 mol dm^-3 sulphuric acid. T4 Chapter 7.2 Factors Affecting Rate of Reactions
39 Diagram 13 shows a series of test carried out on salt X. Diagram 13 Gas Y turns moist red litmus paper to blue. What is salt X and gas Y? | | Garam X Salt X | Gas Y Gas Y | |---|---|---| | A | Ammonium klorida Ammonium chloride | Ammonia Ammonia | | B | Ammonium sulfat Ammonium sulphate | Ammonia Ammonia | | C | Plumbum(II) klorida Lead(II) chloride | Karbon dioksida Carbon dioxide | | D | Plumbum(II) sulfat Lead(II) sulphate | Karbon dioksida Carbon dioxide | star A A B B C C D D T4 Chapter 6.10 Effect of Heat on Salts
40 Diagram 14 shows energy profile diagram that obtained from two sets of experiments. Diagram 14 Which of the following represents the heat of reaction for Set II? star A (y-w) - (y-x) B (y-x) - (y-w) C (z-w) - (z-x) D (z-x) - (z-w) T5 Chapter 3.1 Heat Change in Reactions