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    精英家教网 > 初中地理 > 题目详情

    【题目】下列分子变化中，一定发生了化学变化的是( )。

    A．分子间隔变小

    B．分子数目变多

    C．分子本身起了变化

    D．一种分子运动到另一种分子中间去了

    【答案】C

    【解析】

    试题分析：化学变化中，分子一定发生了改变；分子改变，则一定发生了化学变化。

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