现行人民教育出版社的高级中学化学必修教材第一册在103页讲述Na。O。与CO。的性质时，可能是基于此反应演示的复杂性和难度，没有安排实验；我在讲到这里时，为了增强教学的直观性，激发学生的学习兴趣，巧妙地设计了一个操作简单，现象明显，重复性好的小实验；以下是有关具 The first edition of the compulsory textbooks for senior middle school students in the current People’s Education Press tells us on page 103. O. With CO. The nature of the game may be based on the complexity and difficulty of the demonstration of this reaction. No experimentation was arranged. When I talked about it here, in order to enhance the intuitiveness of teaching and inspire students’ interest in learning, a simple operation and obvious phenomenon was clearly designed. Reproducibility of small experiments; the following are relevant