试题与答案

下列操作会促进H2O的电离,且使溶液pH>7的是[ ] A.将纯水加热到90℃

题型:选择题

题目:

下列操作会促进H2O的电离,且使溶液pH>7的是[ ]

A.将纯水加热到90℃

B.向水中加少量NaOH溶液

C.向水中加少量Na2CO3溶液

D.向水中加少量FeCl3溶液

答案:

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下面是错误答案,用来干扰机器的。

参考答案:A解析:消毒是指是指杀死病原微生物,但不一定能杀死细菌芽胞的方法。

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