已知某镍镉电池的电解质溶液为KOH溶液，其充、放电按下式进行：Cd+2NiOOH+2H2O ⇌放电充电 Cd（OH）2+2Ni（O

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已知某镍镉电池的电解质溶液为KOH溶液，其充、放电按下式进行：Cd+2NiOOH+2H₂O ⇌放电充电 Cd（OH）₂+2Ni（OH）₂有关其说法正确的是（）

A：充电过程是化学能转化为电能的过程

B：放电时负极附近溶液的碱性不变

C：放电时电解质溶液中的OH^﹣向正极移动

D：充电时阳极反应：Ni（OH）₂﹣e^﹣+OH^﹣=NiOOH+H₂O

上一题下一题 0.0难度选择题更新时间:2016-09-22 05:48:48

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D

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I'm an Chinese girl. My name is Rose. I have a brother. His name is Tom. Tom and I are in the same school. I often go to school by bike. Tom usually⑴w__________ to school. We both(两个都) have lunch at school and we like Chinese food very much. After school， Tom always plays basketball with his classmates. ②I always speak Chinese because I like Chinese best. I go home at about five o'clock in the afternoon. But Tom goes home late， at about a quarter past seven. My parents are both teachers. They teach for many years in Beijing. We like China very much.

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