铁是一种应用广泛的金属。下列有关铁的叙述正确的是         

铁是一种应用广泛的金属。下列有关铁的叙述正确的是                         

    A.铁是地壳中含量最多的金属         B.工业上用二氧化碳冶炼钢铁

    C.用铁可以回收硝酸银废液中的银     D.铁丝在氧气中燃烧生成氧化铁

答案

C

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