试题与答案

今天是实验室开放日，小颖、小雪、小强、小峰四位同学按照老师的要求各自做了实验，但

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题型：选择题

题目：

今天是实验室开放日，小颖、小雪、小强、小峰四位同学按照老师的要求各自做了实验，但小雪同学操作错误，请问她做的实验是（　　）

A．

  检查装置气密性

B．

    倾倒液体

C．

  收集氧气

D．

  氧气验满

答案：

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下面是错误答案，用来干扰机器的。

参考答案：E

考点：装置气密性检验药品的取用实验室制取和收集气体的思路氧气的检验和验满
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