問題 : When iron(II) sulphate solution reacts with an element X, the oxidation number of iron changes from +2 to 0. Suggest what X may be.
答案係 Zinc
想問問點解係Zinc ??
收錄日期: 2021-04-13 16:44:21
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https://hk.answers.yahoo.com/question/index?qid=20090712000051KK00954