汽车尾气中含氮的氧化物,它是城市的污染物之一。汽车行驶时,由于

汽车尾气中含氮的氧化物,它是城市的污染物之一汽车行驶时,由于电火花的作用,使汽缸里发生了一系列化学反应,其中有:

氮气+氧气一氧化氮  一氧化氮+氧气       二氧化氮       这两个反应都属于(  )

A.分解反应   B.置换反应   C.化合反应   D.复分解反应

答案

C

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