[题目]用下列矿石冶炼金属时.排放的废气容易引起酸雨的是( )A．辉铜矿(主要成分Cu2S)B．赤铁矿(主要成分Fe2O3)C．磁铁矿(主要成分Fe3O4)D．铝土矿(主要成分Al2O3) 题目和参考答案——青夏教育精英家教网—

题目内容

【题目】用下列矿石冶炼金属时，排放的废气容易引起酸雨的是（）

A．辉铜矿（主要成分Cu2S）

B．赤铁矿（主要成分Fe2O3）

C．磁铁矿（主要成分Fe3O4）

D．铝土矿（主要成分Al2O3）

【答案】A

【解析】酸雨主要是由向空气中排放的过量SO2和氮氧化物造成的，辉铜矿中含有硫元素，冶炼金属时，排放的废气中含有二氧化硫气体，易引起酸雨．

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