下列不属于化学变化的是( ) A.二氧化硫在空气中造成酸雨 B.铜

下列不属于化学变化的是(  )

A.二氧化硫在空气中造成酸雨

B.铜片在酒精灯上加热变黑

C.将石油加热分馏制成汽油、煤油、柴油等

D.煤和石油的形成过程

答案

【考点】化学变化和物理变化的判别.

【分析】化学变化是指有新物质生成的变化,物理变化是指没有新物质生成的变化,化学变化和物理变化的本质区别是否有新物质生成;据此分析判断.

【解答】解:A、二氧化硫在空气中造成酸雨过程中有新物质生成,属于化学变化.

B、铜片在酒精灯上加热变黑过程中有新物质生成,属于化学变化.

C、将石油加热分馏制成汽油、煤油、柴油等过程中没有新物质生成,属于物理变化.

D、煤和石油的形成过程中有新物质生成,属于化学变化.

故选C

 

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