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qing qi zai lv qi zhong ran shao shi yan de qiao miao she ji
Author(s): 
Pages: 63-66
Year: Issue:  11
Journal: Education in Chemistry

Keyword:  氢气在氯气中燃烧实验改进实验设计;
Abstract: 针对现行高中化学教材中氢气在氯气中燃烧实验存在的不足,如有毒的氯气和生成的氯化氢气体容易外逸,污染室内空气;氢气在氯气中燃烧时发出的苍白色火焰,可见度低,学生难以观察火焰的颜色,实验效果差等.利用下口瓶、小细口瓶、干燥管、摄像头、电脑和手机等构建的实验装置,很好地解决了以上问题,收到了很好的教学效果.
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