如图为原电池示意图下列说法正确的是 A.锌片是正极铜片是负极b.硫酸的浓度不变c.该装置能够将电能转化为化学能d.电子由锌片通过导线 Template




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tomski如图为原电池示意图下列说法正确的是 a.锌片是正极铜片是负极b.硫酸的浓度不变c.该装置能够将电能转化为化学能d.电子由锌片通过导线 coloring