【題目】下列變化中,屬于化學(xué)變化的是( )。

A.金剛石加工成鉆石 B.金剛石切割大理石

C.白磷燃燒 D.冰變成水

【答案】C

【解析】

試題分析:白磷燃燒時(shí)會與氧氣反應(yīng)生成五氧化二磷。反應(yīng)中有新物質(zhì)生成,為化學(xué)變化。

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