2009年高考电化学真题0（The college entrance examination in 2009 0 electrochemical Zhenti）

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1、2009年高考电化学真题0（Thecollegeentranceexaminationin20090electrochemicalZhenti）2009collegeentranceexaminationquestions:electrochemical1.(2009Guangdongroll)unearthedtinbronze(coppertinalloy)artifacts,oftenCu2(OH)3Clcoveredinitssurface.ThefollowingstatementiscorrectThemeltingp

2、ointofAandtinbronzeishigherthanthatofpurecopperB.inthenaturalenvironment,tinintinbronzeprotectscopperC.bronzeartifactsaremorecorrosiveinmoistenvironmentsthanindryenvironmentsD.formationofCu2(OH)3Clmulchisanelectrochemicalcorrosionprocess,butnotachemicalreactionprocess

3、2.(2009Guangdongroll)canbeusedasanaluminumairfuelcellforelectricvehicles,usuallywithNaClsolutionorNaOHsolutionassolution,aluminumalloyasnegativeelectrode,andairelectrodeaspositiveelectrode.ThefollowingstatementiscorrectA.withNaClsolutionorNaOHsolution,thepositivereact

4、ionwas:O22H2O4e=4OHB.inaNaOHelectrolyte,anodereaction:Al3OH3e=Al(OH):3WhentheNaOHsolutionisusedasanelectrolyte,thepHoftheelectrolyteremainsunchangedduringtheoperationoftheC.batteryWhentheD.batteryworks,theelectronsflowfromtheanodetothenegativethroughtheoutercircuit3.(

5、2009Guangdongroll)corrosionofsteeloccursasfollows:2Fe+O2+2H2O=2Fe(OH)2;4Fe(OH)2+O2+2H2O=4Fe(OH)3;2Fe(OH)3=Fe2O3+3H2O.ThefollowingstatementiscorrectThenumberofelectrontransferinA.reactionisthesameInB.reaction,oxidantisoxygenandwaterThesteelpipeatthejointoftheC.andtheco

6、pperfaucetdoesnotcorrodeeasilyD.steeldoesnotundergoelectrochemicalcorrosioninmoistair4.(2009Guangdongvolume)thefollowingbatterystatementsareincorrectThelithium-ionbatteryusedontheA.cellphonebelongstothetwocellWhentheB.copperzincgalvaniccellworks,theelectronsflowfromth

7、ecopperelectrodetothezincelectrodealongtheoutercircuitC.methanolfuelcellsconvertchemicalenergyintoelectricalenergyInD.zincmanganesedioxidebatteries,thezincelectrodeisthenegativeelectrode5.(2009Jiangsuvolume)aschematicdiagramofamicrobialfuelcellbasedonglucose.Theaccoun

8、tofthebatteryiscorrectA.thebatterycanworkathightemperaturesThenegativereactionofB.battery:C6H12O6+6H2O-24e-=6CO2=+24H+During