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Spm2004 p1

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Spm2004 p1 Spm2004 p1 Document Transcript

  • SPM 2004 PAPER 11 The diagram shows the change of state of matter. Which of the following is process X? A Melting B Boiling C Freezing D Condensation2 Aluminium oxide has both acidic and basic properties, therefore it is A a base oxide B an acid oxide C a metalloid oxide D an amphoteric oxide3 The diagram shows the set-up of the apparatus for electrolysis. Which of the following compounds could be used as an electrolyte? A Ethanol B Kerosene C Ethyl ethanoate D Ethanoic acid4 Which of the folowing is true about acids? A Acids react with metal to produce salt and water B Acids react with alkali to produce salt and hydrogen gas C Acids react with metal oxide to produce salt, water, and hydrogen gas D Acids react with carbonate of metal to produce salt, water, and carbon dioxide 1/P1 SPM04
  • SPM 2004 PAPER 15 The diagram shows the crystalline structure of salt, NaCl. Which of the following is not a characteristic of the crystal of NaCl? A It has sharp corners B It has flat surfaces C It has an acute angle between the two adjacent surfaces D It has straight edges between two adjacent surfaces6 The following chemical equation shows the reaction of the Haber process. Which of the following represent catalyst X, temperature Y and pressure Z? Catalyst X Temperature Y/°C Pressure Z/atm A Platinum 900 5 B Platinum 450 1 C Iron 900 450 D Iron 450 3007 The body of the aeroplane shown in the figure below is made of alloy X. What is alloy X? A Pewter B Brass C Bronze D Duralumin8 The diagram shows porcelain pots. What is the substance and major component used in the making of porcelain pots? Substance Major component A Glass Cupronickel B ceramic Aluminium silicate C polymer Silicone dioxide D Alloy Iron(III) oxide 2/P1 SPM04
  • SPM 2004 PAPER 19 Kaolin is used to make porcelain. A substance is added to kaolin to harden it. What is the substance? A Silicone B Feldspar C Sodium oxide D Calcium carbonate10 Which of the following substance can be used to differentiate ethane from ethene? A Limewater B Bromine water C Dilute sulphuric acid D Sodium hydroxide solutio11. What are the products formed when ethanol burns completely in excess air? A Water and carbon dioxide B Water, carbon and carbon dioxide C Water, carbon monoxide gas and carbon dioxide gas D Water, carbon, carbon monoxide gas and carbon dioxide gas12 The following chemical equation shows the conversion of ethanol to ethene. Pieces of porcelain C2H5OH(l) C2H4 + H2O What is the name of the process shown by the above equation? A Dehydration B Oxidation C Reduction D Fermentation13 Perfume contains esters. Which of the following is a property of an ester? A Dissolves in water B Low boiling point C More dense than water D Can conduct electricity14 The rate of reaction for the decomposition of hydrogen peroxide decreases with time because A product of reaction decreases B temperature of hydrogen peroxide decreases C volume of hydrogen peroxide decreases D concentration of hydrogen peroxide decreases15 Which of the following is a redox reaction? A Displacement B Esterification C Neutralization D Double decomposition 3/P1 SPM04
  • SPM 2004 PAPER 116 Which of the following neutralization reactions releases the least heat? A Nitric acid and sodium hydroxide B Sulphuric acid and potassium hydroxide C Ethanoic acid and sodium hydroxide D Hydrochloric acid and potassium hydroxide17 Which of the following is the function of an analgesic? A To calm down the emotion of the patient B To treat asthma C To relieve pain D To destroy bacteria18 The information shows a part of the structural formula of a soap molecule. CH3(CH2)14COO - Which of the following is the name of that part? A Laurie B Glycerol C Palmitate D Alkylbenzene19 The following equation represents a neutralization reaction. Acid + Base → Salt + Water Which pairs are reactants in neutralization reactions? I Sulphuric acid + Sodium hydroxide II Hydrochloric acid + Solid copper(II) oxide III Sulphuric acid + Solid calcium carbonate IV Hydrochloric acid + Potassium carbonate solution A I and II only B I and IV only C II and III only D III and IV only20 Which of the following ions form a white precipitate that dissolves in excess sodium hydroxide solution? I A13+ II Mg2+ III Pb2+ IV Zn2+ A I and II only B II and IV only C I, II and III only D I, III and IV only 4/P1 SPM04
  • SPM 2004 PAPER 121 The diagram shows the atomic symbol of element X. Which of the following is true about the subatomic particles of element X? Proton Nucleon Electron Number Number Configuration A 11 23 2.8.1 B 11 23 2.8.8.5 C 23 11 2.8.1 D 23 11 2.8.8.522 The table shows the number of protons, electrons and neutrons of atoms Q and R. Atom Number Proton Electron Neutron Q 11 11 12 R 12 12 12 Which of the following is true about atoms Q and R? A R can form a diatomic molecule B Q and R have the same chemical properties C R reacts with Q to form an ionic compound D Q reacts with water to release hydrogen23 The table shows the relative atomic mass of elements Y and Z. Element Relative Atomic Mass Y 80 Z 16 Which of the following is true about the atoms of elements Y and Z? A The mass of one atom of Z is 16 g B The number of protons in atom Y is 80 C 5 moles of Z have the same mass as 1 mole of Y D The density of one atom of Y is 5 times that of an atom of Z 5/P1 SPM04
  • SPM 2004 PAPER 124 The information shows the sub-atomic particles of atom W. • Electron configuration 2.1 • Number of protons 3 • Number of neutrons 4 Which of the following diagrams shows an atom W? A B C D25 The diagram shows the electron arrangement of a compound formed between atoms P and Q. Which of the following statements is true about the compound? A It is an ionic compound B The compound is formed by covalent bonds C The compound has a high boiling point D The compound is formed by electron transfer 6/P1 SPM04
  • SPM 2004 PAPER 126 The diagram shows the set-up of the apparatus used to electroplate an iron key with copper. What is observed at the anode and cathode after 30 minutes? Anode Cathode A Brown deposits formed Copper foil becomes thicker B Copper foil becomes thinner Brown deposits formed C Brown deposits formed Gas bubbles released D Copper foil becomes thinner Gas bubbles released27 The diagram shows the electron shells in the substance formed between atoms of hydrogen and Y. What is the electron configuration of atom Y? A 2.4 B 2.8 C 2.8.4 D 2.8.8 7/P1 SPM04
  • SPM 2004 PAPER 128 The figure shows the structural formula of pent-1-ene. Which of the following are structural formulae and correct names for isomers of pent-1-ene? I II III IV A I and IV only B II and III only C I, II and IV only D I, II, III and IV29 The table shows the results of a reaction between halogen and halide solution to determine the reactivity of the halogen. Halogen Halide Chlorine Bromine Iodine Potassium bromide Reaction occurs - No reaction Potassium iodide Reaction occurs Reaction occurs - The reactivity series of halogens in descending order is A bromine, chlorine, iodine B chlorine, bromine, iodine C iodine, bromine, chlorine 8/P1 SPM04
  • SPM 2004 PAPER 1 D iodine, chlorine, bromine30 An experiment is carried out to study the rate of reaction between marble and hydrochloric acid to produce carbon dioxide gas. Experiment Substances Excess marble and 50.0 cm3 of I 2 mol dm-3 hydrochloric acid Excess marble and 100.0 cm3 of II 1 mol dm-3 hydrochloric acid Which of the following graphs represents the two experiments? A B C D31 The diagram represents the structural formula of a carbon compound. The compound is produced by the reaction between A ethanol and propanoic acid B ethanol and butanoic acid C propanol and ethanoic acid D butanol and ethanoic acid 9/P1 SPM04
  • SPM 2004 PAPER 132 Which of the following reactions shows that copper is oxidised? A Reaction of zinc with copper(II) oxide B Reaction of copper with silver nitrate solution C Electrolysis of copper(II) sulphate solution by using carbon electrodes D Chemical cell with copper and zinc electrodes in dilute sulphuric acid33 The diagram shows the set-up of the apparatus for a displacement reaction. What is observed after 10 minutes? A Gas bubbles are released B Brown deposits formed C The solution turns blue D The copper plate becomes thicker34 The following equation shows the reaction between Ag+ and Cl- ions. Ag+(aq) + Cl-1(aq) → AgCl(s) ΔH= -65 kJ mol-1 Which of the following is true about the above equation? A Endothermic reaction occurs B Heat is released to the surroundings C The temperature of the product decreases D 65 kJ of heat absorbed when 1 mole of silver chloride is formed35 The table shows the heat of combustion of three alcohols. Alcohol Heat of combustion/kJ mol-1 CH3OH 710 C2H6OH -1370 C4H9OH -2670 Which of the following factors increases the heat of combustion of alcohols? A Size of molecules decreases B Number of carbon atoms per molecule increases C Number of oxygen atoms per molecule increases D Number of hydrogen atoms per molecule decreases 10/P1 SPM04
  • SPM 2004 PAPER 136 The diagram shows an oil layer on a water surface. The volume of the oil layer is 0.001 cm3 and the surface area is 5 000 cm2. Assuming that the oil layer is cylindrical, what is the thickness of the oil layer? A 2.0 x 10-7 cm B 5.0 x 10-6 cm C 5.0 x 106 cm D 2.0 x 107 cm37 What is the number of molecules in 1 mole of ammonia, NH3? Use the information that the Avogadro constant = 6.0 x 1023 mol-1. A 1.5 x 1023 molecules B 6.0 x 1023 molecules C 1.2 x 1024 molecules D 2.4 x 1024 molecules38 A compound with formula X2CO3 relative formula mass of 138. What is the relative atomic mass of X? Use the information that the relative atomic mass of C = 12 and O = 16. A 39 B 69 C 78 D 11039 The diagram shows the set-up of the apparatus of a simple chemical cell. What are metals X and Y? Metal X Metal Y A Aluminium Magnesium B Lead Aluminium C Aluminium Copper D Lead Zinc 11/P1 SPM04
  • SPM 2004 PAPER 140 The equation shows the reaction between sulphuric acid and sodium hydroxide. H2SO4 + 2NaOH → Na2SO4 + 2 H2O What is the volume of 1.0 mol dm3 sodium hydroxide solution which can neutralize 25.0 cm3 of 1.0 mol dm-3 sulphuric acid? A 12.5 cm3 B 25.0 cm3 C 50.0 cm3 D 75.0 cm341 The table shows the mass of elements M and O in an oxide, and the relative atomic mass of elements M and O. Element M O Mass/g 5.6 2.4 Relative atomic mass 56 16 The empirical formula for oxide of M is A M2O3 B M2 O C MO2 D MO42 A restaurant owner wants to use colourful electric lamps to attract customers. Which of the following substances A, B, C or D in the Periodic Table is suitable to be used in the lamps? A D B C43 The ionic formulae of elements X and Y are as follows: X3+ Y2- The compound formed from the reaction of ions of elements X and Y has the formula Which of the following ionic equations represents the reaction? A X3+ + Y2- → X2Y3 B 2 X + 3 Y → X2Y3 C 2 X3+ + 3 Y2- → X2Y3 D 3 X3+ + 2 Y2- → X2Y3 12/P1 SPM04
  • SPM 2004 PAPER 144 3.2 g of copper(II) oxide powder is reacted with excess dilute nitric acid. What is the mass of copper(II) nitrate formed in the reaction? Use the information that the relative atomic mass of N = 14, O = 16 and Cu = 64. A 3.76 g B 4.96 g C 5.04 g D 7.52 g45 The reaction between hydrochloric acid and zinc produces hydrogen gas. The reaction is complete in 50 seconds and the maximum volume of gas produced is 25 cm3. What is the average rate of the reaction? A 0.5 cm3 s-1 B 1.0 cm3 s-1 C 2.0 cm3 s-1 D 4.0 cm3 s-146 The table shows the mass of sulphur trioxide formed at different temperatures during the Contact process. Temperature/ °C 300 400 500 600 Mass of sulphur 350 200 120 100 trioxide/kg Time taken 5 hours 2 hours 6 minutes 9 minutes At what temperature is the production rate of sulphur trioxide the highest? A 300 °C B 400 °C C 500 °C D 600 °C47 What is the oxidation number of manganese in the ion MnO4-? A +2 B +3 C +7 D +848 Yogurt is prepared by adding 20.0 cm3 of lime juice into 200.0 cm3 of fresh milk. It is found that the temperature of the yogurt increases by 2.0 °C. What is the total amount of heat released? Use the information that the specific heat capacity of yogurt = X J g-1 oC-1. Assume that 1 cm3 of solution is equal to 1 gram of solution. A 40X J B 220X J C 400X J D 440X J49 The following equation shows the combustion of heptane, C7H16, in excess oxgen 13/P1 SPM04
  • SPM 2004 PAPER 1 C7H16(l) + 11 o2(g) → 7 CO2(g) + 8 H2O ΔH = -5 512 kJ mol-1 The combustion of heptane in excess oxygen releases 1 378 kJ of energy. What is the mass of heptane used? Use the information that the relative atomic mass of H = 1 and C = 12. A 25.0 g B. 36.0 g C 77.0 g D 88.0 g50 The table shows information about three simple cells. Pair of Potential Metal at negative metals difference / V terminal X and copper 0.45 X Y and copper 1.30 Y Z and copper 0.56 Cu What is the potential difference of the pair of metals Y and Z? A 0.85 B 1.01 C 1.86 D 2.31 14/P1 SPM04