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如何检验氯气已收集满
更新时间: 2020-09-16 00:00:00  

首先对氯气进行检验:将湿润的淀粉碘化钾试纸,伸入集气瓶,变蓝,证明是氯气。

检验氯气已收集满的方法:

1、把湿润的淀粉碘化钾试纸放在瓶口,若试纸变蓝,则说明氯气已满;

2、把蘸了浓氨水的玻璃棒放在瓶口,若有白色烟雾,则说明C氯气已满。

关键词: 如何 检验 氯气 收集

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