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How to use a dropper to perform the experiment of demonstrating the reaction between copper and nitric acid
Author(s): 
Pages: 8
Year: Issue:  2
Journal: Education in Chemistry

Abstract:  1问题的提出普通高中课程标准实验教科书化学人教版必修1(2006年版)第96页讲述浓硝酸和稀硝酸的性质时,只是简单地写出铜和浓硝酸、稀硝酸反应的两个化学方程式,没有给出课堂演示实验,而铜与硝酸反应在中学化学的学习中又非常重要.我们认为很有必要在课堂上演示铜与浓、稀硝酸的反应这个实验.这样既可以对比浓、稀硝酸与铜的反应不同现象,又可以增强学生的感性认识和学习兴趣.
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