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lv qi yu tie fan ying shi yan gai jin
Author(s): 
Pages: 39
Year: Issue:  4
Journal: Experiment and Equipment for Primary School

Abstract: 在氯气与铁的反应中,将红热的细铁丝插入氯气中,反应剧烈,产生大量有毒的红棕色烟.该实验存在以下缺点:没有控制氯气外泄.有的实验虽克服了反应过程中有毒气体的外泄,但采用的实验装置过于复杂.笔者设计了一套能避免以上不足的化学实验装置,实验装置及操作简单,药品用量少,实验现象明显.
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