UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS International General Certificate of Secondary Education

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1 UNIVERSITY OF MRIGE INTERNTIONL EXMINTIONS International General ertificate of Secondary Education EMISTRY 0620/11 Paper 1 Multiple hoice October/November 2013 * * dditional Materials: RE TESE INSTRUTIONS FIRST Multiple hoice nswer Sheet Soft clean eraser Soft pencil (type or is recommended) 45 Minutes Write in soft pencil. o not use staples, paper clips, highlighters, glue or correction fluid. Write your name, entre number and candidate number on the nswer Sheet in the spaces provided unless this has been done for you. O NOT WRITE IN NY ROES. There are forty questions on this paper. nswer all questions. For each question there are four possible answers,, and. hoose the one you consider correct and record your choice in soft pencil on the separate nswer Sheet. Read the instructions on the nswer Sheet very carefully. Each correct answer will score one mark. mark will not be deducted for a wrong answer. ny rough working should be done in this booklet. copy of the Periodic Table is printed on page 20. Electronic calculators may be used. This document consists of 18 printed pages and 2 blank pages. I13 11_0620_11/2RP ULES 2013 [Turn over

2 1 n attempt was made to compress a gas and a solid using the apparatus shown. piston 2 gas solid Which substance would be compressed and what is the reason for this? substance reason gas the gas particles are close together gas the gas particles are far apart solid the solid particles are close together solid the solid particles are far apart 2 student measures the rate of two reactions. In one reaction, there is a change in mass of the reactants during the reaction. In the second reaction, there is a change in temperature during the reaction. Which piece of apparatus would be essential in both experiments? balance clock pipette thermometer ULES /11/O/N/13

3 3 iagram 1 shows the paper chromatogram of substance X. 3 R Y X diagram 1 iagram 2 shows the cooling curve for substance Y. temperature / time Which statement about X and Y is correct? diagram 2 X is a mixture and Y is a pure substance. X is a pure substance and Y is a mixture. X and Y are mixtures. X and Y are pure substances. ULES /11/O/N/13 [Turn over

4 4 4 Element X has 7 protons. Element Y has 8 more protons than X. Which statement about element Y is correct? Y has more electron shells than X. Y has more electrons in its outer shell than X. Y is in a different group of the Periodic Table from X. Y is in the same period of the Periodic Table as X 23 5 Which statements about a sodium atom, 11 Na, are correct? 1 The number of protons and neutrons is the same. 2 The number of protons and electrons is the same. 3 The number of outer electrons is one. 1, 2 and 3 1 and 2 only 1 and 3 only 2 and 3 only 6 Rubidium is in Group I of the Periodic Table and bromine is in Group VII. Rubidium reacts with bromine to form an ionic compound. Which row shows the electron change taking place for rubidium and the correct formula of the rubidium ion? electron change formula of ion formed electron gained Rb + electron gained Rb electron lost Rb + electron lost Rb 7 The diagrams show the electron arrangements in the atoms of four elements. Which element does not form a covalent bond? e e e e e e e e e e e e e e e e e e e e key e electron nucleus e e e e e e ULES /11/O/N/13

5 8 solid mixture contains an ionic salt, X, and a covalent organic compound, Y. Two students suggest methods of separating the mixture as shown. 5 method 1 shake with water X + Y method 2 shake with ethanol X + Y Which methods of separation are likely to work? The formulae of compounds W, X and Y are shown. W uso O X Y MgSO O u(no 3 ) O Which statement is correct? W contains twice as many hydrogen atoms as oxygen atoms. X contains the most oxygen atoms. Y contains the most hydrogen atoms. Y contains the same number of hydrogen and oxygen atoms. ULES /11/O/N/13 [Turn over

6 10 Which relative molecular mass, M r, is not correct for the molecule given? 6 molecule M r ammonia, N 3 17 carbon dioxide, O 2 44 methane, 4 16 oxygen, O The diagram shows the circuit for electrolysing lead(ii) bromide and sodium chloride to liberate the metal. container for lead(ii) bromide container for sodium chloride In what form are these salts electrolysed for liberating the metal? lead(ii) bromide sodium chloride concentrated solution concentrated solution concentrated solution molten molten concentrated solution molten molten ULES /11/O/N/13

7 12 The diagram shows the electrolysis of concentrated aqueous sodium chloride. 7 anode + carbon rods cathode concentrated aqueous sodium chloride and litmus What is the colour of the litmus at each electrode after five minutes? colour at anode colour at cathode blue red red blue red colourless colourless blue 13 When anhydrous copper(ii) sulfate is added to water a solution is formed and heat is given out. thermometer anhydrous copper(ii) sulfate water Which row correctly shows the temperature change and the type of reaction taking place? temperature change type of reaction decreases endothermic decreases exothermic increases endothermic increases exothermic ULES /11/O/N/13 [Turn over

8 14 Which fuel does not produce carbon dioxide when it burns? 8 coal hydrogen methane petrol 15 student investigates the rate of reaction between zinc and an excess of sulfuric acid. The graph shows the results of two experiments, X and Y. Y volume of hydrogen X 0 0 time Which change explains the difference between X and Y? catalyst is added in Y. lower temperature is used in Y. Larger pieces of zinc are used in Y. Less concentrated acid is used in Y. 16 nhydrous copper(ii) sulfate can be made by heating hydrated copper(ii) sulfate. uso O uso O What can be added to anhydrous copper(ii) sulfate to turn it into hydrated copper(ii) sulfate? concentrated sulfuric acid sodium hydroxide powder sulfur dioxide water ULES /11/O/N/13

9 9 17 The reactions shown may occur in the air during a thunder storm. N 2 + O 2 2NO 2NO + O 2 2NO 2 NO + O 3 NO 2 + O 2 Which row shows what happens to the reactant molecules in each of these reactions? N 2 NO O 3 oxidised oxidised oxidised oxidised oxidised reduced reduced reduced oxidised reduced reduced reduced 18 Which are properties of an acid? 1 reacts with ammonium sulfate to form ammonia 2 turns red litmus blue Which of the following are properties of the oxides of non-metals? property 1 property 2 acidic covalent acidic ionic basic covalent basic ionic ULES /11/O/N/13 [Turn over

10 10 20 ompound X is tested and the results are shown in the table. test aqueous sodium hydroxide is added, then heated gently dilute hydrochloric acid is added result gas given off which turns damp red litmus paper blue effervescence, gas given off which turns limewater milky Which ions are present in compound X? ammonium ions and carbonate ions ammonium ions and chloride ions calcium ions and carbonate ions calcium ions and chloride ions 21 alcium, on the left of Period 4 of the Periodic Table, is more metallic than bromine on the right of this period. Why is this? alcium has fewer electrons. fewer protons. fewer full shells of electrons. fewer outer shell electrons. 22 The diagrams show the labels of four bottles. Which label is not correct? romine r 2 Iodine I 2 Potassium K Sodium Na armful liquid. o not spill. anger void breathing vapour from the solid. anger Store under water. anger Store under oil. ULES /11/O/N/13

11 11 23 n element has a melting point of 1084 and a density of 8.93 g / cm 3. It s oxide can be used as a catalyst. In which position in the Periodic Table is the element found? 24 The diagram shows a light bulb. filament argon Why is argon used instead of air in the light bulb? rgon is a good conductor of electricity. rgon is more reactive than air. The filament glows more brightly. The filament does not react with the argon. 25 Some properties of four elements W, X, Y and Z are listed. 1 W melts at 1410 and forms an acidic oxide. 2 X has a high density and is easily drawn into wires. 3 Y acts as a catalyst and its oxide reacts with acids. 4 Z is a red-brown solid used to make alloys. Which of the elements are metals? 1 and 3 2, 3 and 4 2 and 3 only 2 and 4 only ULES /11/O/N/13 [Turn over

12 26 M is a shiny silver metal. It has a melting point of Many of its compounds are green. What is metal M? 12 aluminium copper mercury nickel 27 Reactions of three metals and their oxides are listed in the table. metal reacts with cold water metal oxide reacts with carbon W no no X no yes Y yes no What is the order of reactivity of the metals? least reactive most reactive W X Y X W Y X Y W Y W X 28 Equations P and Q represent two reactions which occur inside a blast furnace. P Fe 2 O 3 + 3O 2Fe + 3O 2 Q ao 3 ao + O 2 Which type of reactions are P and Q? P Q redox redox redox thermal decomposition thermal decomposition redox thermal decomposition thermal decomposition ULES /11/O/N/13

13 29 Which row describes the uses of mild steel and stainless steel? 13 mild steel stainless steel car bodies, cutlery chemical plant, machinery car bodies, machinery chemical plant, cutlery chemical plant, cutlery car bodies, machinery chemical plant, machinery car bodies, cutlery 30 In which process is carbon dioxide not formed? burning of natural gas fermentation heating lime respiration 31 Farmers add calcium oxide (lime) and ammonium salts to their fields. The compounds are not added at the same time because they react with each other. Which gas is produced in this reaction? ammonia carbon dioxide hydrogen nitrogen 32 The diagrams show four uses of iron. In which of these uses is the iron most likely to rust? iron bucket electroplated with zinc iron cored aluminium electricity cables iron hinges on a gate painted iron fence ULES /11/O/N/13 [Turn over

14 33 Which air pollutant is not made when coal burns in a power station? 14 carbon monoxide lead compounds nitrogen oxides sulfur dioxide 34 In many countries river water is used for the washing of clothes. The same water is not considered to be safe for drinking. Why is it not safe for drinking? because river water contains dissolved salts because river water may contain harmful bacteria because river water may contain small particles of sand because river water may contain soap from washing clothes 35 The diagram shows a kiln used to heat limestone. limestone waste gases gas burners product air What is the product and what waste gas is formed? product waste gas lime, ao carbon monoxide lime, ao carbon dioxide slaked lime, a(o) 2 carbon monoxide slaked lime, a(o) 2 carbon dioxide ULES /11/O/N/13

15 36 Three types of organic compound are alkanes, alkenes and alcohols. Which structure does not belong to any of these three types of compound? 15 O O O 37 The diagram shows some properties of two organic compounds X and Y. reacts with bromine used as a fuel X steam and a catalyst Y polymerises used as a solvent What are X and Y? X Y ethane ethanoic acid ethane ethanol ethene ethanoic acid ethene ethanol ULES /11/O/N/13 [Turn over

16 16 ULES /11/O/N/13 38 Petroleum is a mixture of hydrocarbons which can be separated into fractions using fractional distillation. Which fraction is used as fuel in jet engines? bitumen gasoline kerosene naphtha 39 The diagram represents ethene. Which compound has chemical properties similar to those of ethene? O

17 17 40 chemist carried out a cracking reaction on a hydrocarbon, X, and obtained two products, Y and Z. X + Y Z The chemist then wrote the following statements in his notebook. 1 molecule of X has 7 carbon atoms. 2 Y is unsaturated. 3 Z will decolourise bromine water. Which statements are correct? 3 only 1 and 2 1 and 3 1, 2 and 3 ULES /11/O/N/13

18 18 LNK PGE ULES /11/O/N/13

19 19 LNK PGE ULES /11/O/N/13

20 20 T SEET The Periodic Table of the Elements Group I II III IV V VI VII ydrogen 2 4 e elium 3 7 Li Lithium 4 9 e eryllium 5 11 oron 6 12 arbon 7 14 N Nitrogen 8 16 O Oxygen 9 19 F Fluorine Ne Neon Na Sodium Mg Magnesium l luminium Si Silicon P Phosphorus S Sulfur l hlorine r rgon K Potassium a alcium Sc Scandium Ti Titanium V Vanadium r hromium Mn Manganese Fe Iron o obalt Ni Nickel u opper Zn Zinc Ga Gallium Ge Germanium s rsenic Se Selenium r romine Kr Krypton Rb Rubidium Sr Strontium Y Yttrium Zr Zirconium Nb Niobium 96 Mo Molybdenum Tc Technetium Ru Ruthenium Rh Rhodium Pd Palladium g Silver d admium In Indium Sn Tin Sb ntimony Te Tellurium I Iodine Xe Xenon s aesium Fr Francium a arium 226 Ra Radium 139 La Lanthanum 57 * c ctinium f afnium Ta Tantalum W Tungsten Re Rhenium Os Osmium Ir Iridium Pt Platinum u Gold g Mercury Tl Thallium Pb Lead i ismuth 84 Po Polonium 85 t statine 86 Rn Radon *58-71 Lanthanoid series ctinoid series Key b a X a = relative atomic mass X = atomic symbol b = proton (atomic) number e erium 232 Th Thorium 141 Pr Praseodymium Pa Protactinium Nd Neodymium 238 U Uranium Pm Promethium Np Neptunium Sm Samarium Pu Plutonium Eu Europium m mericium Gd Gadolinium m urium Tb Terbium k erkelium y ysprosium f alifornium o olmium Es Einsteinium Er Erbium Fm Fermium Tm Thulium Md Mendelevium Yb Ytterbium No Nobelium Lu Lutetium Lr Lawrencium 103 The volume of one mole of any gas is 24 dm 3 at room temperature and pressure (r.t.p.). Permission to reproduce items where third-party owned material protected by copyright is included has been sought and cleared where possible. Every reasonable effort has been made by the publisher (ULES) to trace copyright holders, but if any items requiring clearance have unwittingly been included, the publisher will be pleased to make amends at the earliest possible opportunity. ambridge International Examinations is part of the ambridge ssessment Group. ambridge ssessment is the brand name of University of ambridge Local Examinations Syndicate (ULES), which is itself a department of the University of ambridge. ULES /11/O/N/13