Cambridge International Examinations Cambridge International General Certificate of Secondary Education

Transcription

1 * * ambridge International Examinations ambridge International General ertificate of Secondary Education EMISTRY 0620/13 Paper 1 Multiple hoice (ore) October/November 2017 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 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 16. Electronic calculators may be used. The syllabus is approved for use in England, Wales and Northern Ireland as a ambridge International Level1/Level 2 ertificate. This document consists of 16 printed pages. I17 11_0620_13/4RP ULES 2017 [Turn over

2 1 Which statement about liquids and gases is correct? 2 1 cm 3 of gas contains more particles than 1 cm 3 of liquid. given mass of liquid has a fixed volume at room temperature. Particles in a liquid can easily be forced closer together. Particles in a liquid have fixed positions. 2 Which method is used to obtain copper(ii) sulfate crystals from an aqueous solution of copper(ii) sulfate? chromatography condensation evaporation filtration 3 25 cm 3 of an alkali are added to 20 cm 3 of an acid. The temperature change is measured. Which apparatus is not needed in the experiment? 25 cm 3 measuring cylinder 100 cm 3 beaker balance thermometer 4 sample of liquid X turns blue cobalt(ii) chloride paper pink. The sample boils at 102. Which statements are correct? 1 X contains water. 2 X is impure water. 3 X freezes above 0. 1, 2 and 3 1 and 2 only 1 and 3 only 2 and 3 only ULES /13/O/N/17

3 3 5 Substance Y is added to an excess of hot water. blue solution forms and a brown solid remains. The brown solid is filtered off and dried. The brown solid conducts electricity. What is Y? a compound which contains a metal a mixture which contains a metal a pure substance which is a metal a pure substance which is a non-metal 6 Which row gives the number of protons, electrons and neutrons found in an atom of zinc? protons electrons neutrons Four statements about atoms and ions are shown. 1 F has more electrons than Na +. 2 Mg 2+ has the same number of electrons as Na +. 3 Na + has more electrons than Li +. 4 n atom of P has more outer shell electrons than an atom of N. Which statements are correct? 1 and 2 1 and 4 2 and 3 3 and 4 ULES /13/O/N/17 [Turn over

4 8 The diagrams, X, Y and Z, show part of a polymer and two giant covalent structures. 4 X Y Z Which of X, Y or Z could be used as a cutting tool and which of X, Y or Z could be used to reduce friction? cutting tool reduce friction X Y Y Z Z X Z Y 9 compound with the formula XO 2 has a relative formula mass of 64. What is X? cadmium copper gadolinium sulfur ULES /13/O/N/17

5 10 The electrolysis of concentrated hydrochloric acid using platinum electrodes is shown. 5 + concentrated hydrochloric acid What is observed at each electrode at the start of the electrolysis? positive electrode negative electrode colourless gas colourless gas colourless gas green gas green gas colourless gas green gas green gas 11 Two chemical processes are described. uring the combustion of kerosene, energy is uring the electrolysis of hydrochloric acid, energy is Which words complete gaps 1 and 2? 1 2 given out given out given out taken in taken in given out taken in taken in 12 Which reaction is endothermic? neutralisation of an acid by an alkali reaction of hydrogen with oxygen reaction of sodium with water thermal decomposition of limestone ULES /13/O/N/17 [Turn over

6 13 The mass of a beaker and its contents is plotted against time. 6 Which graph represents what happens when sodium carbonate reacts with an excess of dilute hydrochloric acid in an open beaker? mass mass mass mass 0 0 time 0 0 time 0 0 time 0 0 time 14 When blue copper(ii) sulfate is heated, a white solid and water are formed. The white solid turns blue and gives out heat when water is added to it. Which terms describe the blue copper(ii) sulfate and the reactions? the blue copper(ii) sulfate is reactions a mixture can be reversed a mixture cannot be reversed hydrated can be reversed hydrated cannot be reversed ULES /13/O/N/17

7 15 The equation for the reaction between magnesium and hydrochloric acid is shown. 7 Mg + 2l Mgl The rate of this reaction is studied using the apparatus shown. gas syringe Which change increases the rate of reaction? hydrochloric acid magnesium ribbon lowering the temperature of the acid using a larger volume of the same hydrochloric acid using less concentrated hydrochloric acid using the same mass of magnesium powder 16 The equations for two reactions P and Q are given. P 2NaNO 2 + O 2 2NaNO 3 Q 2gO 2g + O 2 In which of these reactions does oxidation of the underlined substance occur? P Q 17 What is not a typical characteristic of acids? They react with alkalis producing water. They react with all metals producing hydrogen. They react with carbonates producing carbon dioxide. They turn blue litmus paper red. ULES /13/O/N/17 [Turn over

8 18 Which oxide produces a solution with a p between p 1 and p 7 when reacted with water? 8 calcium oxide carbon dioxide potassium oxide sodium oxide 19 Three solids, P, Q and R, all react with dilute sulfuric acid to produce zinc sulfate. P and R produce gases during the reaction. The gas produced when P reacts will not burn. The gas produced when R reacts will burn. What are P, Q and R? P Q R zinc zinc hydroxide zinc carbonate zinc carbonate zinc zinc oxide zinc carbonate zinc hydroxide zinc zinc oxide zinc carbonate zinc 20 Which ion forms a green precipitate with aqueous sodium hydroxide that dissolves in an excess of aqueous sodium hydroxide? a 2+ r 3+ u 2+ Fe period of the Periodic Table is shown. group I II III IV V VI VII VIII element R S T V W X Y Z The letters are not their chemical symbols. Which statement is correct? Element R does not conduct electricity. Elements R and Y react together to form an ionic compound. Element Z exists as a diatomic molecule. Element Z reacts with element T. ULES /13/O/N/17

9 9 22 Some properties of element X are shown. melting point in 98 boiling point in 883 reaction with cold water gives off 2 gas reaction when heated with oxygen burns to give a white solid In which part of the Periodic Table is X found? Group I Group VII Group VIII transition elements 23 The table gives some properties of an element. melting point in 3422 appearance of the element appearance of the chloride of the element grey dark blue density in g / cm electrical conductivity when solid good Which other property would you expect this element to have? acts as a catalyst brittle forms an acidic oxide highly reactive with water 24 Why is argon gas used to fill electric lamps? It conducts electricity. It glows when heated. It is less dense than air. It is not reactive. ULES /13/O/N/17 [Turn over

10 10 25 What is a property of all metals? conduct electricity hard low melting points react with water 26 What is the reducing agent in the large-scale extraction of iron from iron ore? air carbon monoxide hematite limestone 27 Some reactions of three metals are listed in the table. metal metal reacts with dilute hydrochloric acid metal oxide is reduced by carbon P yes no Q yes yes R no yes What is the order of reactivity of the metals? most reactive least reactive P Q R P R Q Q P R R P Q 28 Which uses of the metals shown are both correct? aluminium stainless steel aircraft bodies car bodies car bodies aircraft bodies chemical plant food containers food containers cutlery ULES /13/O/N/17

11 29 The flow chart shows stages in the treatment of river water to produce drinking water. 11 river water settling tank stage X stage Y drinking water What occurs at stages X and Y? X Y distillation chlorination distillation filtration filtration chlorination filtration distillation 30 What is produced by the incomplete combustion of methane? carbon monoxide hydrogen lead compounds sulfur dioxide 31 Iron is a metal that rusts in the presence of oxygen and water. Mild steel is used for and is prevented from rusting by Stainless steel does not rust. It is produced by iron with another metal. Which words complete gaps 1, 2 and 3? car bodies greasing covering car bodies painting mixing cutlery greasing covering cutlery painting mixing ULES /13/O/N/17 [Turn over

12 12 32 ompound Q is heated with aqueous sodium hydroxide. damp red litmus paper heat The damp red litmus paper turns blue. What is Q? Q and aqueous sodium hydroxide ammonium chloride copper(ii) chloride iron(iii) chloride sodium chloride 33 Some marble chips (calcium carbonate) are heated strongly and substances X and Y are formed. Substance X is a white solid that reacts with water, giving out heat. Substance Y is a colourless gas. What are substances X and Y? X Y calcium chloride oxygen calcium hydroxide carbon dioxide calcium oxide carbon dioxide calcium sulfate oxygen ULES /13/O/N/17

13 13 34 The structure of compound R is shown. O What is R? propane propanoic acid propanol propene 35 Fuel oil and naphtha are two fractions obtained from petroleum. What are the major uses of these fractions? fuel oil naphtha jet fuel making chemicals jet fuel making roads ship fuel making chemicals ship fuel making roads 36 What are the products of the complete combustion of ethanol? O + 2 O + 2 O O O O 37 X, Y and Z are three hydrocarbons. X 2 = 2 Y 3 = 2 Z 3 2 = 2 What do compounds X, Y and Z have in common? 1 They are all alkenes. 2 They are all part of the same homologous series. 3 They all have the same boiling point. 1, 2 and 3 1 and 2 only 1 and 3 only 2 and 3 only ULES /13/O/N/17 [Turn over

14 38 The table shows bonds that are present and bonds that are not present in compound X. bond 14 = O =O O What type of compound is X? a carboxylic acid an alcohol an alkane an alkene 39 The diagram shows a reaction sequence. X Y Z butane ethene ethanol carbon dioxide and water Which row names the processes X, Y and Z? X Y Z cracking fermentation respiration cracking hydration combustion distillation fermentation respiration distillation hydration combustion ULES /13/O/N/17

15 15 40 Molecules of a substance react together as shown. + + Which type of reaction has taken place? cracking oxidation polymerisation reduction 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/17

16 16 ULES /13/O/N/17 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