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Spm2003 p1 Spm2003 p1 Document Transcript

  • SPM 2003 PAPER 11 Figure 1 shows the symbol for a chlorine atom Figure 1 Which of the following is true based on the symbol in Figure 1? Proton number Nucleon number Number of Electrons A 17 37 17 B 17 20 17 C 20 37 20 D 37 17 372 Figure 2 shows the set-up of the apparatus to determine the empirical formula of a metal oxide. Figure 2 Which of the following metal oxides is suitable to be used in Figure 2? A Zink oxide B Magnesium oxide C Aluminium oxide D Copper(II) oxide3 Butane in cooking gas burns to release carbon dioxide. Both butane and carbon dioxide are A ionic compounds B organic compounds C covalent compounds D hydrocarbon compounds4 Which of the following substances is an electrolyte? A Pure ethanol B Molten naphthalene C Tetrachloromethane D Dilute ethanoic acid 1/P1 SPM03
  • SPM 2003 PAPER 15 Which of the following is true of a weak acid? A Unable to neutralise alkali. B The pH value is more than 7. C Able to change red litmus paper to blue. D Ionizes partially in water to produce hydrogen ions.6. Which of the following properties does not show that an alloy is better than its pure metal form? A Harder B Stronger C More ductile D More corrosion resistant7 The equation below represents the reaction in the industrial preparation of ethanol. Catalyst X CH2= CH2 + H2O CH3CH2OH Ethene steam 300oC/ 60 atm ethanol What is catalyst X? A Platinum B Phosphoric acid C Aluminium oxide D Concentrated hydrochloric acid8 Which statement is true of both methanol and ethanol A They have different functional groups. B All their physical properties are similar C All their chemical properties are different D They can be represented by the same general formula.9 Which of the following pairs of general and homologue series is correct? General Formula Homologue series A CnH2n Alkane B CnH2n+ 2 Alkene C CnH2n+ 1OH Alcohol D CnH2n+ 1 COOH ester10 A hydrocarbon is a chemical compound consisting of A carbon and oxygen only. B carbon and hydrogen only. C carbon, hydrogen, and oxygen only. D hydrogen, oxygen, and nitrogen 2/P1 SPM03
  • SPM 2003 PAPER 111 Below is the half equation of a reaction. 2 Br- → Br2 + 2 e What is meant by oxidation based on the reaction? A Electrons are received by bromine B Electrons are donated by bromine C Electrons are received by bromide ions D Electrons are donated by bromide ions12 Which of the following absorbs heat from the surrounding? A Adding acid to alkali B Adding concentrated acid to water C Dissolving ammonium chloride in water D Dissolving anhydrous copper(II) sulphate in water13. Psychiatric patients are always restless and normally experience difficulties in sleeping. Which medicine is suitable to treat these patients? A Aspirin B Codeine C Barbiturate D Streptomycin14 Figure 3 shows a model of an atom. Which of the following is true of the atomic model? I Proposed by Neil Bohr. II Was built based on the existence of the neutron. III Shows that electrons move in shells around the nucleus. IV Discovered through the bombardment experiment of alpha particles on gold foil. A I and III only B II and IV only C I, II, and III only D I, II, III, and IV 3/P1 SPM03
  • SPM 2003 PAPER 115 Figure 4 shows the set-up of apparatus in an experiment to determine the empirical formula of an oxide of lead. Figure 4 Which of the following is not correct in the set-up of apparatus for this experiment? I No Bunsen burner II Fixing of the cork III Position of the thistle funnel IV Position of the delivery tube A I and III only B II and IV only C I, II, and III only D I, III, and IV only16 What are the products of the reaction between ethanoic acid and sodium carbonate? I water II Ethyl ethanoate III carbon dioxide IV Sodium ethanoate A I and III only B II and IV only C I, II and III only D I, III and IV only17 Which pair of the substance represented by the following formulae would result in a reaction? I HCl(aq) + KOH(aq) II HNO3(aq) + NaNO3(aq) III H2SO4(aq) + CuSO4(aq) IV CH3COOH(aq) + NaOH(aq) A I and IV only B II and III only C I, II and IV only D I, II, III and IV 4/P1 SPM03
  • SPM 2003 PAPER 118 Which of the following can be used to determine rate of reaction? I Release of gas per unit time II Change of colour intensity per unit time III Formation of precipitate per unit time IV Increase in the mass of reactants per unit time A I and II only B III and IV only C I, II and III only D I, III and IV only19 Which of the following are oxidizing agents? I zinc II bromine water III potassium iodide solution IV Acidified potassium manganate(VII) solution A I and III only B II and IV only C I, II and III only D I, II and IV only20 Figure 5 shows test tubes X and Y, used in to investigate the effects of magnesium and copper on the rusting of iron. Figure 5 Which of the following are true of the experiment? I Phenolphthalein solution in both test-tubes is to detect the presence of hydroxide ions. II The hot agar solution in both test-tubes is to ensure the presence of oxygen in the mixture. III Potassium hexacyanoferrate(III) solution in test tube X is to detect the corrosion of magnesium. IV Potassium hexacyanoferrate(III) solution in test tube Y is to detect the presence of ferrum(II) ions. A I and IV only B II and III only C I, III, and IV only D I, II, III, and IV 5/P1 SPM03
  • SPM 2003 PAPER 121 Figure 6 shows Figure 6 Which of the following statements is true? A From 0 to t1 heat energy is absorbed. B From tl to t2 forces between particles are overcome. C From t2 to t3 the kinetic energy of particles increased. D From t3 to t4 the heat energy released is equal to the heat energy lost to the surrounding22. Sulphide and chloride ions have the same number of [Proton number: S, 16; Cl, 17] A charge B. electrons C neutrons D protons23 Element Y is below potassium in the same group in the Periodic Table. Determine the formula of the product and the reactivity of Y with chlorine compared to the reaction of potassium with chlorine. Formula of the product Reactivity A YC12 less reactive B YC12 more reactive C YC1 less reactive D YC1 more reactive 6/P1 SPM03
  • SPM 2003 PAPER 124 Table 1 shows the melting points and types of particles of four substances. Solid substance Melting point/oC Type of particle G 80 Molecules J 320 Ions L 780 Ions M 3000 atoms Table 1 Based on Table 1, which solid substance becomes an electrolyte when it is heated to a temperature of 350oC? A G B J C L D M25 Figure 7 shows the set up of apparatus for the electrolysis of ferum(II) sulphate solution What is formed at carbon electrode X? A Ferrum B Oxygen C Sulphur dioxide D Hydrogen gas26 Which of the following shows the arrangement of atoms in an alloy? A B C D 7/P1 SPM03
  • SPM 2003 PAPER 127 The equation below shows a reaction to produce hydrogen gas. 2 HCl + Zn → ZnCl 2 + H2 Which of the following would increase the rate of production of hydrogen gas? A Increase the time of reaction. B Increase the volume of acid. C Increase the size of granulated zinc. D Increase the temperature of the mixture.28 Below is an ionic equation. X(s) + Y2+(aq) → X2+(aq) + Y(s) Which of the following is true of the equation? A Y2+ is oxidized. B X is an oxidizing agent. C X2+ is a reducing agent. D X donates electrons to Y2+.29 Fe3+ ion in solution can be converted to Fe2+ ions by adding zinc powder. Which of the following can replace zinc powder in this reaction? A Bromine water B Potassium iodide solution C Potassium hexacynaferrate(II) solution D Acidified potassium manganate(VII) solution30 Figure 8 shows an energy level diagram. Energy OH-(aq) + H+(aq) ΔH = -57 kJmol-1 H2O Figure 8 Based on Figure 8, it can be concluded that A the heat of neutralization is -57 kJmol-1. B 57 kJ of energy is needed for the reaction. C the products of reaction contain more energy than the reactants. D the temperature at the end of the reaction is lower than that at the beginning of the reaction. 8/P1 SPM03
  • SPM 2003 PAPER 131 Figure 9 shows the structure of a soap ion. Figure 9 Based on Figure 9, which of the following statements is true? A Parts X and Y are soluble in water. B Parts X and Y are soluble in grease. C Part X is soluble in grease and part Y is soluble in water. D Part X is soluble in water and part Y is soluble in grease.32 Table 2 shows the proton number of elements P and Q. Element proton number P 3 Q 11 Table 2 Which of the following statements are true of the elements in Table 2? I Q is more reactive than P. II The atomic size of Q is bigger than P. III Both elements P and Q can conduct electricity. IV P and Q are in the same group in the Periodic Table. A I and II only B I and IV only C II, III, and IV only D I, II, III, and IV33 Table 3 shows the results of an experiment for three chemical cells. Negative Chemical cell Metal pairs Cell voltage/V terminal X P and R R 1.9 Y R and S S 0.8 Z Q and R R 0.3 Table 3 Which of the following can be deduced from Table 3? I The cell voltage is 1.6 V when P and Q are used as electrodes. II The cell voltage is 1.1 V when P and S are used as electrode. III Electrons flow from terminal Q to terminal S in the metal pair Q and S. IV P functions as a positive terminal when it is paired with Q, R, or S in a cell. A I and IV only B II and III only C I, II, and III only D I, II, III, and IV 9/P1 SPM03
  • SPM 2003 PAPER 134 The information about two solutions is as follows: Concentration of barium hydroxide solution = 0.5 mol dm-3 Concentration of aqueous ammonia = 0.5 mol dm-3 Which of the following statements are true based on the information? I Aqueous ammonia is a weaker alkali than barium hydroxide solution. II The pH value of barium hydroxide solution higher than aqueous ammonia. III The degree of dissociation of barium hydroxide in water is higher than in ammonia. IV The concentration of OH- ions in barium hydroxide solution is higher than in aqueous ammonia. A I and III only B III and IV only C I, II, and III only D I, II, III, and IV35 An equation of a reaction is as follows: 2 Fe2+ + Cl2 → 2 Fe3+ + 2 Cl-1 green brown In the reaction represented by the equation above, it was found that the change of colour from green to brown was faster when the reactant mixture was heated. This was due to the I decrease in the activation energy. II increase in the frequency of effective collision. III Increase in the kinetic energy of ferrum(II) ions and chlorine molecules. IV Increase in the frequency of collision between ferrum(II) ions and chlorine molecules. A I and II only B II and III only C I, III, and IV only D II, III, and IV only 10/P1 SPM03
  • SPM 2003 PAPER 136 Which of the following are isomers of butene? I II III IV A I and III only B II and IV only C I, II, and III only D I, II, III, and IV37 The equation below represents the reaction to extract aluminium from aluminium oxide. 2 Al2O3 → 4A1 + 3O What is the mass of aluminium that can be extracted from 102 g of aluminium oxide? [Relative atomic mass: O, 16; Al, 27] A 13.5 g B 27.0 g C 54.0 g D 108.0 g38 The equation above shows the action of heat on the carbonate salt of metal X. XCO3 → XO + CO2 How many moles of XCO3 are needed to produce 4.0 g of oxide X? [Relative atomic mass: C, 12; O, 16; X, 64] A 0.03 B 0.05 C 0.08 D 0.09 11/P1 SPM03
  • SPM 2003 PAPER 139 In the Periodic Table, Y is below Z in the same group. If the proton number of atom Z is 12, what is the electron configuration for atom Y? A 2.8.2 B 2.8.6 C 2.8.8.2 D 2.8.8.640 The electron configuration of atom E is 2.8.7 and atom G has four valence electrons. What is the formula of the compound formed between E and G? A GE2 B GE4 C G2E D G4E41 Sulphuric acid used as an electrolyte in a car battery has a concentration of 0.5 mol dm-3. How many moles of sulphuric acid are there in 100 cm3? A 0.025 B 0.05 C 0.1 D 0.542 Figure 10 shows the set-up of apparatus for the titration of potassium hydroxide solution with sulphuric acid. Figure 10 What is the total volume of the mixture in the conical flask at the end point of the titration in Figure 10? A 10 cm3 B 20 cm3 C 30 cm3 D 40 cm3 12/P1 SPM03
  • SPM 2003 PAPER 143 Stainless steel used to make surgical scalpels contains 71.5% ferrum, 18.0% chromium, 8.0% nickel, and 2.5% other elements. If the mass of a surgical scalpel is 60.0 g, what is the mass of ferrum in it? A 4.8 g B 10.8 g C 42.9 g D 71.5 g44 Table 4 shows the total volume of gas collected at regular intervals in a reaction. Time/s 0 30 60 90 120 150 180 210 Volume of gas /cm3 0 2.0 3.7 5.2 6.4 7.3 8.6 8.6 Table 4 What is the average rate of reaction in the second minute? A 0.040 cm3 s-1 B 0.045 cm3 s-1 C 0.053 cm3 s-1 D 0.062 cm3 s-145 Which of the following hydrocarbons is most suitable to be used as cooking gas? [Relative atomic mass: H, 1; C, 12] A C3H6 B C4H8 C C4H10 D C6H646 Figure 11 shows an energy level diagram. Energy J(s) + T2+(aq) AH = -220 kJ mol-1 J2+(aq) + T(s) Figure 11 Based on Figure 11, what is the increase in temperature of the solution if excess J powder is added to 50 cm3 of T salt solution 0.2 mol dm-3? [Specific heat capacity of solution: 4.0 J g-1oC-1] A 4.4°C B 5.5°C C 8.8°C D 11.0°C 13/P1 SPM03
  • SPM 2003 PAPER 147 Which of the following quantities of substances contain 6 x 1022 molecules? [Relative atomic mass: H, 1; C, 12; O, 16; Avogadros Constant: 6 x 1023 mol-1] I 1.8 g water II 1.0 g hydrogen gas III 3.2 g oxygen gas IV 4.4 g carbon dioxide A I and II only B III and IV only C I, III, and IV only D I, II, III, and IV48 The equation below represents the decomposition of hydrogen peroxide solution. 2 H2O2(aq) → 2 H2O(l) + O2(g) Which of the following are produced when 1 mole of hydrogen peroxide is decomposed completely? [1 mole of gas occupies 24 dm3 at room condition; Avagadros Constant: 6.0 x 1023mol-1] I 2 moles of water II 12 dm3 of oxygen gas III 3 x 1023 of oxygen molecules IV 1.2 x 10 of water molecules A I and III only B I and IV only C II and III only D II and IV only49 Figure 12 shows a set-up of apparatus to determine the heat of reaction. Beginning of experiment End of experiment Figure 12 Based on Figure 12 which of the following statements are true? I The process of bonding occurs. II Temperature increases during the reaction. III The AH value in the reaction is positive. IV The energy content of the products of reaction is higher than that of the reactants. A I and II only B III and IV only C I, II, and IV only D I, II, III, dan IV 14/P1 SPM03
  • SPM 2003 PAPER 150 The equation below shows a displacement reaction and its heat of reaction. Mg + Fe2+ → Mg2+ + Fe AH = -189 kJ mol-1 Which of the following statements are true about the reaction represented by the above equation? I Magnesium is oxidized. II The reaction is exothermic. III The temperature decreases during the reaction. IV The heat released by reacting 0.2 mole of ferrum(II) ions is 37.8 kJ. A I and II only B II and IV only C III and IV only D I, II, and IV only 15/P1 SPM03