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chang bing v xing bo li guan zai hua xue shi yan zhong de xin ying yong
Author(s): 
Pages: 70-73
Year: Issue:  11
Journal: Education in Chemistry

Keyword:  长柄V形玻璃管化学实验改进实验探究;
Abstract: 利用长柄V形玻璃管,改进了沪教版九年级化学教科书上加热碳酸氢铵、二氧化碳的化学性质、探究燃烧的条件、探究微粒的运动等实验.改进后的实验现象明显、操作简便、药品节约,而且在教师演示和学生分组实验的实践中收到了很好的效果.
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