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氢气还原氧化铜演示实验的改进陕西师范大学化学系詹汉英氢气还原氧化铜的实验是初中化学演示实验中比较重要的内容之一。但按现行教材中所述的实验方法,课堂上既需要气体发生装置,又要有反应装置,且需严格按要求进行操作。采用下列方法进行这一实验,会使装置和操作大...
Improvements in Demonstration Experiments of Reduction of Copper Oxide by Hydrogen Gases Han Hanying, Department of Chemistry, Shaanxi Normal University The experiment of reducing hydrogenated copper by hydrogen is one of the more important contents of the junior chemistry demonstration experiment. However, according to the experimental methods described in the current textbooks, gas generating devices and reaction devices are needed in the classroom, and they must be operated strictly according to the requirements. Using the following method to carry out this experiment will make the device and operation...