用右图的简易净水器处理河水,下面对该净水器的分析正确的是 A.活

用右图的简易净水器处理河水,下面对该净水器的分析正确的是

A.活性炭主要起吸附杂质的作用      B.能把硬水变为软水

C.能得到纯净水                    D.能杀菌消毒

答案

【答案】A

【解析】A、活性炭具有吸附性,能吸附色素和异味,故正确

B、该装置不能除去水中的可溶性钙镁化合物,不能将硬水变为软水,故错误

C、经过此装置不能除去水中所有的杂质,得不到纯净水,故错误

D、此装置中的物质不具有杀菌的作用,故错误

故选A

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