【題目】關(guān)于木炭和紅磷在氧氣中燃燒的反應(yīng),說(shuō)法不正確的是( )。

A.反應(yīng)條件都是點(diǎn)燃 B.都是化合反應(yīng)

C.都是氧化反應(yīng) D.生成物都是氣體

【答案】D

【解析】

試題分析:木炭在氧氣中燃燒時(shí)生成無(wú)色無(wú)味的氣體二氧化碳,紅磷燃燒時(shí)形成濃濃的折煙(生成物是呈白色固體小顆粒的五氧化二磷)。

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