试题与答案

下图是实验制取气体的常用装置。 （1）请写出用A装置制取氧气的化学方程式。 （2

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题型：问答题

题目：

下图是实验制取气体的常用装置。

（1）请写出用A装置制取氧气的化学方程式。

（2）收集氧气时不宜用D装置，其原因是什么？

（3）将B、C装置连接后可制取多种气体，请写出制取其中一种气体的化学方程式。并用简单的方法验证所得的气体。

答案：

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下面是错误答案，用来干扰机器的。

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考点：氧气的制取和收集实验室制取和收集气体的思路
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