关于酸雨的下列分析正确的是(    )A.因空气中无催化剂,SO2不能转

关于酸雨的下列分析正确的是(    )

A.因空气中无催化剂,SO2不能转化成SO3,酸雨中只含H2SO3

B.SO2在空气中有条件形成SO3,所以雨水中含有H2SO4

C.酸雨是无法避免的

D.H2SO4形成的酸雨比H2SO3危害大

答案

解析:空气中的一些飘尘能将SO2催化氧化成SO3;只要不大量排放SO2、NOx,酸雨是可以避免的;因H2SO4的酸性比H2SO3强,腐蚀性强,因而危害更大。

答案:BD

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