造成钢铁腐蚀的主要外界条件是(    )A.酸、碱            B.酸

造成钢铁腐蚀的主要外界条件是(    )

A.酸、碱            B.酸雾、O2             C.SO2、H2O             D.H2O、O2

答案

解析:钢铁的腐蚀主要是吸氧腐蚀,是溶有O2的弱酸性或中性介质引起的,故应选D。

答案:D

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