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1、高一化学必修1习题集(Highschoolchemistryrequired1exercisesset)Highschoolchemistryrequired1exercisessetChapteroneisbasedonExperimentalChemistryStudyontypicalproblemsoftypeIQuestionsaboutthesafetyofchemicalexperimentsIncase1,itisnecessarytopayattentiontosafetyinchemicalexperimentsA.splashtheacidintheeye
2、andrinseitwithalotofwaterB.accidentallytoucheslyeontheskin.Rinseitimmediatelywithalotofwater,andthenpaintwithboricacidsolutionC.burnsalcoholonthetableandimmediatelywipesoutwithawetclothTheD.configurationofthesulfuricacidsolution,addingsomewaterinthefirstvolumeinthecylinder,inslowlypoursulfur
3、icacid,andstirringCase2thefollowingexperimentaloperationsandsafetyaccidenthandlingarewrongWhenA.usesmercurythermometertomeasurethewaterbathtemperatureinthebeaker,itbreaksthemercuryballcarelessly,drawsoutthemercurywiththedropperandputsitintothewatersealedvial,andthebrokenthermometerisinserted
4、intothejarwithsulfurpowderThetesttubeclipofB.isclampedfromthebottomofthetesttubefromthebottomtotheendofthetesttubemouth,andtheendofthelonghandleoftheholdingtesttubeclipisheatedC.theburningalcohollamptippedover,alcoholspilledonthetopofthetableandburned,forpersonalsafety,shouldimmediatelyfleet
5、hesceneD.theglasstubeisinsertedintotherubberplughole,withathickclothhandclenched,wettheglasstubeinsertionend,andslowlyscrewedintotheplugholeTheuseoftypetwocommonlyusedinstrumentsandtheuseofdrugsCase3thefollowingstatementsabouttheuseofthereagentsareincorrectA.headdroppercanbeusedtotakeasmalla
6、mountofliquidreagentB.non-toxicsolidreagentcanbedirectlyusedbyhandC.hydrogenproductionexperiment,ThezincgranulescanbeputbackintotheoriginalreagentbottleD.mustnotusetweezerswhentakingsolidreagentsExample4,asshowninthediagrambelow,isincorrectMethodofseparationandpurificationoftypethreemixtures
7、andtheuseofrelatedinstrumentsExample5evaporation,thefollowingoperationiscorrect()A.makestheevaporatingdishfulloffiltrateandheatswithasmallfireB.stopheatingwhenalargeamountofsolidsappearinthepanC.afterthesolutionevaporated,thenstoppedheatingD.putthe