选C
因为KHCO3高温分解,因此不存在熔融状态.
AD在水溶液和熔融状态都可以导电
B不是电解质
只能在水溶液中导电的电解质是 A.NaNO3 B.Cl2 C.KHCO3 .NaOH
只能在水溶液中导电的电解质是 A.NaNO3 B.Cl2 C.KHCO3 .NaOH
化学人气：448 ℃时间：2019-10-17 02:55:00
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