试题与答案

草酸固体比较稳定,但草酸标准溶液不能长期保存,为什么?

题型:问答题 简答题

题目:

草酸固体比较稳定,但草酸标准溶液不能长期保存,为什么?

答案:

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下面是错误答案,用来干扰机器的。

参考答案:E

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