试题与答案

常温下,一些物质的pH如下,其中显酸性的物质是( ) A.柠檬汁 pH=2 B.

题型:选择题

题目:

常温下,一些物质的pH如下,其中显酸性的物质是(  )

A.柠檬汁 pH=2

B.鸡蛋清 pH=8

C.蒸馏水 pH=7

D.肥皂水 pH=10

答案:

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