论文部分内容阅读
初中化学教材中碳还原氧化铜的演示实验,用药量多,反应所需时间较长。对此我们进行了改进,效果尚佳。1 实验装置 实验装置见附图。
The demonstration experiment of carbon reduction of copper oxide in junior high school chemistry textbooks has a large amount of drugs and takes a long time for reaction. We have made improvements to this and the results are good. 1 Experimental device See experimental device in the attached drawing.