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 EMISTRY 0620/13 Paper 1 Multiple hoice (ore) October/November 2016 * * 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, 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. bestexamhelp.com 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 17 printed pages and 3 blank pages. I16 11_0620_13/6RP ULES 2016 [Turn over

2 2 1 Particles moving very slowly from an area of higher concentration to an area of lower concentration. Which process is being described? a liquid being frozen a solid melting a substance diffusing through a liquid a substance diffusing through the air 2 student mixes 25 cm 3 samples of dilute hydrochloric acid with different volumes of aqueous sodium hydroxide. In each case, the student measures the change in temperature to test if the reaction is exothermic. Which piece of apparatus is not needed? burette clock pipette thermometer ULES /13/O/N/16

3 3 3 solid X is purified in five steps. The first four steps of the purification are shown in the diagram. solid X mixture Y heat step 1 step 2 step 3 step 4 In step 5, how is a pure sample of solid X obtained from mixture Y? dissolving distillation evaporating filtering 4 n atom has three electron shells. There are three electrons in the outer shell. ow many protons and how many neutrons are in this atom? protons neutrons oron nitride is a compound of the elements boron and nitrogen. It has a similar structure to diamond. What is likely to be a property of boron nitride? It conducts electricity. It is soluble in water. It is used as a lubricant. It is very hard. ULES /13/O/N/16 [Turn over

4 6 Which row describes the formation of single covalent bonds in methane? atoms share a pair of electrons both atoms gain a noble gas electronic structure atoms share a pair of electrons both atoms have the same number of electrons in their outer shell 4 electrons are transferred from one atom to another electrons are transferred from one atom to another both atoms gain a noble gas electronic structure both atoms have the same number of electrons in their outer shell 7 Which elements are in the compound ao 3? barium and cobalt boron, actinium and oxygen carbon, oxygen and barium oxygen, calcium and boron 8 oncentrated aqueous sodium iodide is electrolysed using platinum electrodes. The solution contains the ions Na +, I, + and O. Which electrodes are the ions attracted to during this electrolysis? cathode anode + and Na + I and O + and O I and Na + I and Na + + and O I and O + and Na + ULES /13/O/N/16

5 9 Which apparatus could be used to electroplate an iron nail with copper? key = copper sheet = iron nail aqueous copper(ii) sulfate + + aqueous iron(ii) sulfate g of ammonium nitrate are added to water at 25 and the mixture stirred. The ammonium nitrate dissolves and, after one minute, the temperature of the solution is 10. Which word describes this change? endothermic exothermic neutralisation reduction 11 What is always produced when a fuel is burnt? carbon dioxide carbon monoxide heat energy oxides of nitrogen ULES /13/O/N/16 [Turn over

6 12 n experiment X is carried out between a solid and a solution using the apparatus shown. 6 gas syringe The volume of gas given off is measured at different times and the results plotted on a graph. In a second experiment Y, the surface area of the solid is increased but all other factors remain the same. Which graph shows the results of experiments X and Y? Y volume of gas X volume of gas Y X 0 0 time 0 0 time volume of gas X volume of gas X Y Y 0 0 time 0 0 time ULES /13/O/N/16

7 7 13 ydrated cobalt(ii) chloride crystals are pink. When they are heated, they lose water and form blue anhydrous cobalt(ii) chloride. hydrated cobalt(ii) chloride anhydrous cobalt(ii) chloride + water few drops of vinegar were added to anhydrous cobalt(ii) chloride. There was a colour change from blue to pink. What does this colour change show about vinegar? It contains an acid. It contains water. It is an alkali. It is anhydrous. 14 The equations for three reactions are shown. 1 uo + 2 u + 2 O 2 Fe 2 O 3 + 3O 2Fe + 3O O O Which statement about the reactions is not correct? In reaction 1, copper(ii) oxide is reduced to copper. In reaction 2, carbon monoxide is oxidised to carbon dioxide. In reactions 1 and 3, hydrogen is oxidised to water. In reaction 2, iron(iii) oxide is oxidised to iron. ULES /13/O/N/16 [Turn over

8 8 15 Part of the Periodic Table is shown. X Y Which type of oxides do X and Y form? X Y acidic acidic acidic basic basic acidic basic basic 16 ompound T is added to dilute hydrochloric acid and warmed gently. The mixture gives off a gas which turns acidified aqueous potassium manganate(vii) from purple to colourless. flame test on compound T gives a lilac flame. What is compound T? sodium sulfate sodium sulfite potassium sulfate potassium sulfite 17 cids can react with metal oxides, carbonates and metals. Which reactions produce a gas? acid with metal oxide acid with carbonate acid with metal key = gas is produced = no gas is produced ULES /13/O/N/16

9 18 The apparatus shown is used to prepare aqueous copper(ii) sulfate. 9 solid X stirrer filter paper excess of solid X Y aqueous copper(ii) sulfate What are X and Y? heat X Y copper aqueous iron(ii) sulfate copper(ii) chloride sulfuric acid copper(ii) oxide sulfuric acid sulfur aqueous copper(ii) chloride 19 Elements P and Q are in the same period of the Periodic Table. P is a metal and Q is a non-metal. Which statement is correct? P has a greater nucleon number than Q. P is to the right of Q in the period. Q has more electron shells than P. Q has more protons than P. 20 What is not a property of Group I metals? They are soft and can be cut with a knife. They react when exposed to oxygen in the air. They produce an acidic solution when they react with water. They react rapidly with water producing hydrogen gas. ULES /13/O/N/16 [Turn over

10 10 21 flammable gas needs to be removed from a tank at an industrial plant. For safety reasons, an inert gas is used. Which gas is suitable? argon hydrogen methane oxygen 22 Which element is a transition element? colour of chloride melting point of element / orange 113 orange 1535 white 113 white Which statement about the element bromine is correct? It displaces chlorine from aqueous potassium chloride. It has a higher density than chlorine. It is a diatomic metal. It is a green gas at room temperature. 24 Four metals are listed in decreasing order of reactivity. magnesium zinc iron copper Titanium reacts with acid and cannot be extracted from its ore by heating with carbon. Where should titanium be placed in the list? below copper between iron and copper between magnesium and zinc between zinc and iron ULES /13/O/N/16

11 11 25 asic oxides and oxygen are used to convert iron into steel. Which statement is not correct? arbon is converted into carbon dioxide. Silicon is converted into silicon(iv) oxide. The basic oxides react with acidic impurities to form slag. The oxygen reacts with the iron to produce hematite. 26 student added dilute hydrochloric acid to four metals and recorded the results. Some of the results are not correct. results metal gas given off 1 copper yes 2 iron yes 3 magnesium no 4 zinc yes Which two results are correct? 1 and 3 1 and 4 2 and 3 2 and 4 27 Some properties of aluminium are listed. 1 It conducts heat. 2 It has a low density. 3 It is mechanically strong. 4 It is resistant to corrosion. Which properties make aluminium suitable for making food containers for chilled food products? 1, 2 and 4 1, 3 and 4 1 only 4 only ULES /13/O/N/16 [Turn over

12 12 28 The diagram represents the water cycle. t which stage during the cycle are soluble impurities removed from the water? Sun condense rain lake evaporate river sea 29 ir is a mixture of gases. Which gas is present in the largest amount? argon carbon dioxide nitrogen oxygen 30 Which information about carbon dioxide and methane is correct? carbon dioxide methane formed when vegetation decomposes key greenhouse gas = true present in unpolluted air = false produced during respiration ULES /13/O/N/16

13 31 alcium oxide and ammonium salts are used by farmers to treat soils. 13 Why are these two substances added at different times? They are both acidic. They are both basic. They react with each other to produce ammonia. They react with each other to produce hydrogen. 32 The chart shows how a gas, G, is formed in four reactions, from glucose or from a solid, S. glucose combustion respiration gas G heat dilute acid solid S What are the formulae of gas G and solid S? gas G solid S 4 a 4 ao 3 O 2 a O 2 ao 3 33 Slaked lime is used to neutralise an acidic soil. ow does the p of the soil change? from to ULES /13/O/N/16 [Turn over

14 14 34 Which list shows the fractions obtained from distilling petroleum, in order of increasing boiling point? bitumen diesel oil fuel oil lubricating oil diesel oil gasoline naphtha kerosene gasoline naphtha kerosene diesel oil kerosene lubricating oil naphtha refinery gas 35 utane reacts as shown. butane What is this type of reaction? catalyst and heat butene + hydrogen combustion cracking polymerisation reduction 36 The structure of a compound, X, is shown. To which homologous series does X belong? alcohols alkanes alkenes carboxylic acids ULES /13/O/N/16

15 15 37 n organic compound has the following properties. colour effect on Universal Indicator flammability effect on aqueous bromine state at room temperature colourless none highly flammable decolourises gas To which homologous series does this organic compound belong? alcohols alkanes alkenes carboxylic acids 38 The diagram shows some apparatus. air lock water yeast, sugar and water What is made using this apparatus? ethane ethanoic acid ethanol ethene 39 Which molecule can be polymerised? O O ULES /13/O/N/16 [Turn over

16 16 40 Ethanol is used as a biofuel. Which equation shows the complete combustion of ethanol? 2 5 O + 3O 2 2O O 2 5 O + 3O 2 2O O O + 6O 2 4O O O + 7O 2 4O O ULES /13/O/N/16

17 17 LNK PGE ULES /13/O/N/16

18 18 LNK PGE ULES /13/O/N/16

19 19 LNK PGE 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. 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. 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 /13/O/N/16

20 20 ULES /13/O/N/16 Group The Periodic Table of Elements 1 hydrogen 1 2 e helium 4 I II III IV V VI VII VIII 3 Li lithium 7 4 e beryllium 9 atomic number atomic symbol Key name relative atomic mass 11 Na sodium Mg magnesium K potassium a calcium Rb rubidium Sr strontium s caesium a barium Fr francium 88 Ra radium 5 boron l aluminium Ga gallium In indium Tl thallium carbon Si silicon Ge germanium Sn tin Pb lead Ti titanium Zr zirconium f hafnium Rf rutherfordium 23 V vanadium Nb niobium Ta tantalum b dubnium 24 r chromium Mo molybdenum W tungsten Sg seaborgium 25 Mn manganese Tc technetium 75 Re rhenium h bohrium 26 Fe iron Ru ruthenium Os osmium s hassium 27 o cobalt Rh rhodium Ir iridium Mt meitnerium 28 Ni nickel Pd palladium Pt platinum s darmstadtium 29 u copper g silver u gold Rg roentgenium 30 Zn zinc d cadmium g mercury n copernicium 114 Fl flerovium 116 Lv livermorium 7 N nitrogen P phosphorus s arsenic Sb antimony i bismuth O oxygen S sulfur Se selenium Te tellurium Po polonium 9 F fluorine l chlorine r bromine I iodine t astatine 10 Ne neon r argon Kr krypton Xe xenon Rn radon 21 Sc scandium Y yttrium lanthanoids actinoids 57 La lanthanum c lanthanoids actinoids The volume of one mole of any gas is 24 dm 3 at room temperature and pressure (r.t.p.) actinium 58 e cerium Th thorium Pr praseodymium Pa protactinium Nd neodymium U uranium Pm promethium 93 Np neptunium 62 Sm samarium Pu plutonium 63 Eu europium m americium 64 Gd gadolinium m curium 65 Tb terbium k berkelium 66 y dysprosium f californium 67 o holmium Es einsteinium 68 Er erbium Fm fermium 69 Tm thulium Md mendelevium 70 Yb ytterbium No nobelium 71 Lu lutetium Lr lawrencium