Cambridge International Examinations Cambridge International General Certificate of Secondary Education

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1 * * ambridge International Examinations ambridge International General ertificate of Secondary Education EMISTR 0620/13 Paper 1 Multiple hoice October/November 2015 dditional Materials: Multiple hoice nswer Sheet Soft clean eraser Soft pencil (type or is recommended) 45 Minutes RE TESE INSTRUTIONS FIRST Write in soft pencil. o not use staples, paper clips, 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 N 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 16. Electronic calculators may be used. The syllabus is approved for use in England, Wales and Northern Ireland as a ambridge International Level 1/Level 2 ertificate. This document consists of 16 printed pages. I15 11_0620_13/4RP ULES 2015 [Turn over

2 1 In which process do particles move closer together but remain in motion? 2 condensation diffusion evaporation freezing 2 student was asked to measure the rate of reaction between dilute hydrochloric acid and marble chips at different temperatures. Some of the apparatus used is shown. Which two other pieces of apparatus would be needed? balance and pipette balance and stopclock beaker and stopclock burette and pipette 3 rgon, r, has a higher relative atomic mass than potassium, K, but appears before it in the Periodic Table. K r Why is argon listed before potassium in the Periodic Table? rgon has fewer neutrons than potassium. rgon has fewer protons than potassium. rgon has more neutrons than potassium. rgon has more protons than potassium. ULES /13/O/N/15

3 4 In the following diagrams, and are atoms of different elements. 3 Which diagram correctly shows the arrangement of outer electrons in a molecule of methane? 5 What do the nuclei of 1 1 hydrogen atoms contain? electrons and neutrons electrons and protons neutrons only protons only 6 The electronic structures of atoms and are shown. and form a covalent compound. What is its formula? opper(ii) oxide reacts with ammonia. The left hand side of the balanced equation for this reaction is: 3uO + 2N 3 What completes the equation? 3u + 2NO 3 3u + 2N O 3u + N O 3u + 2NO O ULES /13/O/N/15 [Turn over

4 4 8 What are the electrode products when molten silver iodide is electrolysed between inert electrodes? cathode anode hydrogen iodine iodine silver silver iodine silver oxygen 9 The diagram shows a section of an overhead power cable. steel ceramic aluminium Which statement explains why a particular substance is used? luminium has a low density and is a good conductor of electricity. eramic is a good conductor of electricity. Steel can rust in damp air. Steel is more dense than aluminium. 10 Which reaction is endothermic? the burning of magnesium ribbon the combustion of methane the decomposition of calcium carbonate the reaction of water with anhydrous copper(ii) sulfate ULES /13/O/N/15

5 5 11 metal reacts with an aqueous solution. The graph shows the temperature before, during and after the reaction. temperature Which row describes the reaction? time reaction energy change combustion endothermic combustion exothermic thermal decomposition endothermic thermal decomposition exothermic 12 Which of the following changes decreases the rate of the reaction between magnesium and dilute hydrochloric acid? 1, 2 and 3 1 diluting the acid 2 using larger pieces of magnesium 3 cooling the mixture 1 and 2 only 1 and 3 only 2 and 3 only 13 The element vanadium, V, forms several oxides. In which change is oxidation taking place? VO 2 V 2 O 3 V 2 O 5 VO 2 V 2 O 3 VO V 2 O 3 V 2 O 5 ULES /13/O/N/15 [Turn over

6 14 If anhydrous copper(ii) sulfate is added to water, which colour change is observed? 6 blue to pink blue to white pink to blue white to blue 15 Element is in Group I of the Periodic Table. Which row shows the type of oxide and whether element is metallic or non-metallic? type of oxide metallic or non-metallic acidic metallic acidic non-metallic basic metallic basic non-metallic 16 Three liquids, P, Q and R, are added to a mixture of hydrochloric acid and Universal Indicator solution. The following observations are made. P Q R the colour of the indicator turns purple. the colour of the indicator does not change. there is effervescence and the indicator turns blue. What are P, Q and R? P Q R sodium carbonate solution water sodium hydroxide solution sodium hydroxide solution water water sodium carbonate solution water sodium hydroxide solution sodium carbonate solution sodium hydroxide solution sodium carbonate solution ULES /13/O/N/15

7 17 Which property is not characteristic of a base? 7 It reacts with a carbonate to form carbon dioxide. It reacts with an acid to form a salt. It reacts with an ammonium salt to form ammonia. It turns universal indicator paper blue. 18 Zinc sulfate is a soluble salt and can be prepared by reacting excess zinc carbonate with dilute sulfuric acid. Which piece of equipment would not be required in the preparation of zinc sulfate crystals? beaker condenser evaporating dish filter funnel 19 n element,, is a dark grey crystalline solid at room temperature. It has a melting point of 114 and a density of 4.9 g / cm 3. When heated gently it forms a purple vapour. Where in the Periodic Table is found? ULES /13/O/N/15 [Turn over

8 20 J and K are two elements from the same period in the Periodic Table. The table gives some properties of J and K. 8 J K appearance shiny grey dull yellow electrical conductivity when solid good poor malleability malleable brittle Which statement about J and K is correct? J forms an acidic oxide. J is found to the left of K in the Periodic Table. K forms positive ions when it reacts. K is more metallic than J. 21 The table gives information about four elements. Which element is a transition metal? electrical conductivity density in g / cm 3 melting point in good good poor poor ydrogen and helium have both been used to fill balloons. Which property of helium makes it the preferred choice to hydrogen? easily compressed into a gas cylinder forms monatomic molecules lower density unreactive ULES /13/O/N/15

9 9 23 Which statement is true for all metals? Their atoms lose one or more electrons when they react. They are brittle. They do not conduct electricity when solid. They melt at low temperatures when they are heated. 24 The diagrams show what happens when three different metals are added to water. bubbles of gas flame Z What are, and Z? Z calcium copper potassium copper calcium potassium potassium calcium copper potassium copper calcium 25 The table show three uses of aluminium and a reason why aluminium is used for that purpose. use reason 1 aircraft manufacture high tensile strength 2 overhead electricity cables low density 3 food containers resistance to corrosion Which reasons explain the use? 1, 2 and 3 1 and 2 only 1 and 3 only 2 and 3 only ULES /13/O/N/15 [Turn over

10 ETLENE Which conditions are necessary to make mild steel from iron? add calcium oxide and blow oxygen through it heat with calcium oxide heat with carbon and limestone heat with nickel and chromium 27 Which statements about water are correct? 1 ousehold water may contain salts in solution. 2 Water for household use is filtered to remove soluble impurities. 3 Water is treated with chlorine to kill bacteria. 4 Water is used in industry for cooling. 1, 2, 3 and 4 1, 2 and 3 only 1, 3 and 4 only 2, 3 and 4 only 28 The diagram shows the flame produced from burning a hydrocarbon, acetylene, in a welding torch. Which gas is? hydrogen methane nitrogen oxygen ULES /13/O/N/15

11 29 arbon monoxide is an air pollutant produced when petrol is burned in a car engine. 11 Why is carbon monoxide considered to be an air pollutant? It causes climate change. It causes the corrosion of buildings. It is a significant greenhouse gas. It is poisonous. 30 Which compound is not a fertiliser? ammonium sulfate, (N 4 ) 2 SO 4 calcium hydroxide, a(o) 2 potassium chloride, Kl urea, O(N 2 ) 2 31 In which reaction is carbon dioxide not produced? complete combustion of petrol hydrochloric acid reacting with magnesium respiration thermal decomposition of limestone ULES /13/O/N/15 [Turn over

12 12 32 The apparatus shown is set up and left for a week. damp iron wool air water Which diagram shows the level of the water at the end of the week? 33 Unwanted vegetation is sometimes placed in a bin where it decays to form compost. This compost can be used to fertilise soils. Which gas is likely to be present in a higher percentage inside the bin than in the air outside the bin? carbon monoxide methane oxygen sulfur dioxide ULES /13/O/N/15

13 34 student is asked to draw a diagram showing the uses of limestone. 13 making cement making lime 1 2 limestone 3 added, with hematite, to a blast furnace Which numbered lines show a correct use of limestone? 1, 2 and 3 1 and 2 only 1 and 3 only 2 and 3 only 35 What are the names of the compounds shown in the reaction scheme below? cracking + butane W steam O O oxygen O Z W Z ethane ethene ethanol ethanoic acid ethane ethene ethanoic acid ethanol ethene ethane ethanol ethanoic acid ethene ethane ethanoic acid ethanol ULES /13/O/N/15 [Turn over

14 14 36 Which row describes the formation of a polymer? monomer polymer ethane poly(ethane) ethane poly(ethene) ethene poly(ethane) ethene poly(ethene) 37 Which row shows the correct use of a fraction obtained by the fractional distillation of petroleum? fraction use bitumen making waxes and polishes fuel oil aircraft fuel kerosene fuel for ships naphtha making chemicals 38 Ethanol can be formed by 1 fermentation 2 reaction between steam and ethene Which of these processes uses a catalyst? 1 2 ULES /13/O/N/15

15 39 The structures of four compounds are shown. 15 W Z Which are members of the same homologous series? W,, and Z W and only W, and Z only and Z only 40 uring the process of cracking hydrocarbons, an is converted into an The presence of an can be shown by a visible reaction with Which words complete gaps 1, 2, 3 and 4? alkane alkene alkene bromine alkane alkene alkene steam alkene alkane alkane bromine alkene alkane alkane steam ULES /13/O/N/15

16 16 T SEET The Periodic Table of the Elements Group I II III IV V VI VII e ydrogen elium Li e N O F Ne Lithium eryllium oron arbon Nitrogen Oxygen Fluorine Neon Na Mg l Si P S l r Sodium Magnesium luminium Silicon Phosphorus Sulfur hlorine rgon K a Sc Ti V r Mn Fe o Ni u Zn Ga Ge s Se r Kr Potassium alcium Scandium Titanium Vanadium hromium Manganese Iron obalt Nickel opper Zinc Gallium Germanium rsenic Selenium romine Krypton Rb Sr Zr Nb Mo Tc Ru Rh Pd g d In Sn Sb Te Rubidium Strontium ttrium Zirconium Niobium Molybdenum Technetium Ruthenium Rhodium Palladium Silver admium Indium Tin ntimony Tellurium Iodine enon I e s a La f Ta W Re Os Ir Pt u g Tl Pb i Po t Rn aesium arium Lanthanum afnium Tantalum Tungsten Rhenium Osmium Iridium Platinum Gold Mercury Thallium Lead ismuth Polonium statine Radon * Fr Ra c Francium Radium ctinium *58-71 Lanthanoid series ctinoid series Key b a a = relative atomic mass = atomic symbol b = proton (atomic) number e erium 232 Th Thorium 141 Pr Praseodymium 59 Pa Protactinium Nd Neodymium 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 b tterbium 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.). To avoid the issue of disclosure of answer-related information to candidates, all copyright acknowledgements are reproduced online in the ambridge International Examinations opyright cknowledgements ooklet. This is produced for each series of examinations and is freely available to download at after the live examination series. ULES /13/O/N/15

Cambridge International Examinations Cambridge International General Certificate of Secondary Education

Cambridge International Examinations Cambridge International General Certificate of Secondary Education ambridge International Examinations ambridge International General ertificate of Secondary Education HEMISTRY 0620/12 Paper 1 Multiple hoice October/November 2015 *1006769290* dditional Materials: RE THESE