试题与答案

对于HCl气体溶解于水的过程，下列说法正确的是：（） A.这仅是一个物理变化过程 B

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题型：单项选择题

题目：

对于HCl气体溶解于水的过程，下列说法正确的是：（）

A.这仅是一个物理变化过程

B.这仅是一个化学变化过程

C.此过程既有物理变化又有化学变化

D.此过程中溶质的性质发生了变化，而溶剂的性质未变

答案：

参考答案：C

解析：HCl溶于水既有物理变化也有化学变化。HCl的微粒向水中扩散的过程是物理变化，HCl的微粒解离生成氢离子和氯离子的过程是化学变化。

考点：水利水电工程第三章普通化学第三章普通化学题库
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