2013年IGCSE化学考试真题11

Thisdocumentconsistsof18printedpagesand2blankpages.IB1311_0620_11/2RP©UCLES2013[Turnover*6047676049*UNIVERSITYOFCAMBRIDGEINTERNATIONALEXAMINATIONSInternationalGeneralCertificateofSecondaryEducationCHEMISTRY0620/11Paper1MultipleChoiceOctober/November201345MinutesAdditionalMaterials:MultipleChoiceAnswerSheetSoftcleaneraserSoftpencil(typeBorHBisrecommended)READTHESEINSTRUCTIONSFIRSTWriteinsoftpencil.Donotusestaples,paperclips,highlighters,glueorcorrectionfluid.Writeyourname,CentrenumberandcandidatenumberontheAnswerSheetinthespacesprovidedunlessthishasbeendoneforyou.DONOTWRITEINANYBARCODES.Therearefortyquestionsonthispaper.Answerallquestions.ForeachquestiontherearefourpossibleanswersA,B,CandD.ChoosetheoneyouconsidercorrectandrecordyourchoiceinsoftpencilontheseparateAnswerSheet.ReadtheinstructionsontheAnswerSheetverycarefully.Eachcorrectanswerwillscoreonemark.Amarkwillnotbedeductedforawronganswer.Anyroughworkingshouldbedoneinthisbooklet.AcopyofthePeriodicTableisprintedonpage20.Electroniccalculatorsmaybeused.©UCLES20130620/11/O/N/131Anattemptwasmadetocompressagasandasolidusingtheapparatusshown.pistongassolidWhichsubstancewouldbecompressedandwhatisthereasonforthis?substancereasonAgasthegasparticlesareclosetogetherBgasthegasparticlesarefarapartCsolidthesolidparticlesareclosetogetherDsolidthesolidparticlesarefarapart2Astudentmeasurestherateoftworeactions.Inonereaction,thereisachangeinmassofthereactantsduringthereaction.Inthesecondreaction,thereisachangeintemperatureduringthereaction.Whichpieceofapparatuswouldbeessentialinbothexperiments?AbalanceBclockCpipetteDthermometer3©UCLES20130620/11/O/N/13[Turnover3Diagram1showsthepaperchromatogramofsubstanceX.RYXdiagram1Diagram2showsthecoolingcurveforsubstanceY.01470temperature/°Ctimediagram2WhichstatementaboutXandYiscorrect?AXisamixtureandYisapuresubstance.BXisapuresubstanceandYisamixture.CXandYaremixtures.DXandYarepuresubstances.4©UCLES20130620/11/O/N/134ElementXhas7protons.ElementYhas8moreprotonsthanX.WhichstatementaboutelementYiscorrect?AYhasmoreelectronshellsthanX.BYhasmoreelectronsinitsoutershellthanX.CYisinadifferentgroupofthePeriodicTablefromX.DYisinthesameperiodofthePeriodicTableasX5Whichstatementsaboutasodiumatom,Na,2311arecorrect?1Thenumberofprotonsandneutronsisthesame.2Thenumberofprotonsandelectronsisthesame.3Thenumberofouterelectronsisone.A1,2and3B1and2onlyC1and3onlyD2and3only6RubidiumisinGroupIofthePeriodicTableandbromineisinGroupVII.Rubidiumreactswithbrominetoformanioniccompound.Whichrowshowstheelectronchangetakingplaceforrubidiumandthecorrectformulaoftherubidiumion?electronchangeformulaofionformedAelectrongainedRb+BelectrongainedRb–CelectronlostRb+DelectronlostRb–7Thediagramsshowtheelectronarrangementsintheatomsoffourelements.Whichelementdoesnotformacovalentbond?eeeeeeeeeeeeeeeeeeekeyelectronnucleusABCDeeeeeeee5©UCLES20130620/11/O/N/13[Turnover8Asolidmixturecontainsanionicsalt,X,andacovalentorganiccompound,Y.Twostudentssuggestmethodsofseparatingthemixtureasshown.method1method2shakewithwaterX+YshakewithethanolX+YWhichmethodsofseparationarelikelytowork?12A

B
C
D9TheformulaeofcompoundsW,XandYareshown.WCuSO4.5H2OXMgSO4.7H2OYCu(NO3)2.6H2OWhichstatementiscorrect?AWcontainstwiceasmanyhydrogenatomsasoxygenatoms.BXcontainsthemostoxygenatoms.CYcontainsthemosthydrogenatoms.DYcontainsthesamenumberofhydrogenandoxygenatoms.6©UCLES20130620/11/O/N/1310Whichrelativemolecularmass,Mr,isnotcorrectforthemoleculegiven?moleculeMrAammonia,NH317Bcarbondioxide,CO244Cmethane,CH416Doxygen,O21611Thediagramshowsthecircuitforelectrolysinglead(II)bromideandsodiumchloridetoliberatethemetal.Acontainerforlead(II)bromidecontainerforsodiumchlorideInwhatformarethesesaltselectrolysedforliberatingthemetal?lead(II)bromidesodiumchlorideAconcentratedsolutionconcentratedsolutionBconcentratedsolutionmoltenCmoltenconcentratedsolutionDmoltenmolten7©UCLES20130620/11/O/N/13[Turnover12Thediagramshowstheelectrolysisofconcentratedaqueoussodiumchloride.+–anodecathodeconcentratedaqueoussodiumchlorideandlitmuscarbonrodsWhatisthecolourofthelitmusateachelectrodeafterfiveminutes?colouratanodecolouratcathodeAblueredBredblueCredcolourlessDcolourlessblue13Whenanhydrouscopper(II)sulfateisaddedtowaterasolutionisformedandheatisgivenout.wateranhydrouscopper(II)sulfatethermometerWhichrowcorrectlyshowsthetemperaturechangeandthetypeofreactiontakingplace?temperaturechangetypeofreactionAdecreasesendothermicBdecreasesexothermicCincreasesendothermicDincreasesexothermic8©UCLES20130620/11/O/N/1314Whichfueldoesnotproducecarbondioxidewhenitburns?AcoalBhydrogenCmethaneDpetrol15Astudentinvestigatestherateofreactionbetweenzincandanexcessofsulfuricacid.Thegraphshowstheresultsoftwoexperiments,XandY.0XYtime0volumeofhydrogenWhichchangeexplainsthedifferencebetweenXandY?AAcatalystisaddedinY.BAlowertemperatureisusedinY.CLargerpiecesofzincareusedinY.DLessconcentratedacidisusedinY.16Anhydrouscopper(II)sulfatecanbemadebyheatinghydratedcopper(II)sulfate.CuSO4.5H2O→CuSO4+5H2OWhatcanbeaddedtoanhydrouscopper(II)sulfatetoturni