用铂作电极电解一定浓度的下列物质的水溶液.电解结束后，向剩余电解液中加适量水，不能使溶液和电解前相同的是（ ）
A. AgNO3
B. H2SO4
C. NaOH
D. NaNO3
人气：187 ℃ 时间：2019-11-12 10:58:17
解答
A．电解，阴极生成Ag，阳极生成氧气，向剩余电解液中加适量水，不能使溶液和电解前相同，故A选；B．电解H2SO4，两极生成的产物是氧气和氢气，相当于电解的水，加入水可使溶液和电解前相同，故B不选；C．电解NaOH，两...
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