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1、《电化学基础》测试卷Theelectrochemicalbasetestvolume(1)basicpracticeA,multiplechoiceThefollowingprocessesneedtobeelectrifiedtodoso:ionization;(2)theelectrolysis;(3)plating;(4)electrophoresis;Theelectrochemicalcorrosion;A,(1)(2)(3);B,(2)(3)(4);C,(2)(4)(5);D,all;Atroomtemperature,thePHof0.1molaro
2、facidis:A,1;B,>1;C,<1;D,can，tbesure;3,1litercontainsNaOHundernormaltemperatureofsaturatedsaltwater,thePH=10,withplatinumelectrodesduringelectrolysis,whenthecathodehasa11.2litergases(standardconditions),thePHofthesolutioniscloseto(setafterelectrolyticsolutionvolumeisstill1liter):A.,0;B
3、,12;C,13;D,14;Thebasicstructureofthenewlydevelopedbromine-zincbatteryinforeigncountriesistousecarbonrodsasthepoles,andtheelectrolyteisthezincbromidesolution.Therearefourelectrodereactions:N-2e=Zn=Zn+2e二ZnTheanodereactionanddischargewhenchargedare:A,(4)(1);B,(2)(3);C,(3)(1);D,(2)(4);Th
4、ecolbayreactionis2RC00K+2H2OR-r+H2+2K0H,andthefollowingstatementistrue(C)Theproductsofhydrogenareproducedintheanode.B.theproductsofhydrogenareproducedinthecathode.C.theproductsofcarbonareproducedintheanode.D.Theproductsofcarbonareproducedinthecathode.Use0.01mo/litreH2S04titrate0.01mo/
5、literNaOHsolution,neutralizeandaddwaterto100m1.Ifthereisanerrorintheend,theratioof1dropofH2S04to1dropofH2S04(1dropto0.05ml),andtheratioofC(H+)is:A:tenb.fiftyc.fiveInabeakerofsaturatedsodiumcarbonate,insertinertelectrodes,keepthetemperatureconstant,andafteracertainamountoftime:ThePHoft
6、hesolutionwillincreaseB.TheratioofsodiumionstocarbonateionswillbesmallerB.Theconcentrationofthesolutiongraduallyincreases,andacertainamountofcrystalisprecipitatedoutTheconcentrationofthesolutionstaysthesame8,roomtemperature,thepH=1hydrochlorideaverageinto2portions,1addrightamountwater
7、,theotheronetojoinwiththemo1arconcentrationofhydrochloricacidafterthesameamountofNaOHsolution,pHisincreasedby1,belongtothewaterandthevolumeofNaOHsolutionisasfollows:A.10c.11d.129,therearefivebottlesofsolutionarerespectively(1)10mlof0.60mo/NaOHaqueoussolution(2)20mlmo/0.50litresofsulfu
8、ricac
