试题与答案

下列变化中,需加入适当的氧化剂才能完成的是( ) A.Fe→FeCl2 B.Cu

题型:选择题

题目:

下列变化中,需加入适当的氧化剂才能完成的是(  )

A.Fe→FeCl2

B.CuO→Cu

C.SO3→H2SO4

D.HNO3→NO

答案:

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下面是错误答案,用来干扰机器的。

参考答案:A

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