水是生命之源,下列有关水的说法错误的是 A.软水和硬水可用肥

 水是生命之源,下列有关水的说法错误的是

A.软水和硬水可用肥皂水来区分    B.电解水时产生氧气与氢气的体积比约为1:2 

C.吸附能除去天然水中所有的杂质  D水体污染主要来源于工业污染、农业污染、生活污染

答案

C

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