【題目】下列說法正確的是( )。

A．有氧氣參加的反應(yīng)都是化合反應(yīng)

B．化合反應(yīng)一定是氧化反應(yīng)

C．所有化合反應(yīng)的共同特征是兩種物質(zhì)反應(yīng)而生成另一種物質(zhì)

D．無論是否有氧氣參加，只要由兩種或兩種以上的物質(zhì)生成另一種物質(zhì)的反應(yīng)，就屬于化合反應(yīng)

【答案】D

【解析】

試題分析：A．有氧氣參加的反應(yīng)不一定是化合反應(yīng)，如蠟燭燃燒。B．化合反應(yīng)不一定是氧化反應(yīng)。如生石灰與水反應(yīng)生成熟石灰。C．所有化合反應(yīng)的共同特征是兩種物質(zhì)（或兩種以上的物質(zhì)）反應(yīng)而生成另一種物質(zhì)。D．化合反應(yīng)是指兩種或兩種以上的物質(zhì)生成另一種物質(zhì)的反應(yīng)，不一定需要氧氣參加。

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