酸碱反应演示实验的改进江苏省通州市姜灶中学成斌在初中化学讲解酸碱反应时，一般通过酸与不溶性氢氧比物（如氢氧化钢）起反应，生成能溶于水的盐来说明反应的发生。由于反应在溶液中进行，因此酸碱叵应产生水的结果就不能直接看到。为此，我们对酸碱后应的演示实验进行... Improvements in demonstration experiments of acid-base reactions Jiang Zao Middle School Cheng Bin of Tongzhou City, Jiangsu Province in the middle school of junior high school chemistry to explain the acid-base reaction, generally through the reaction of acid and insoluble hydrogen and oxygen species (such as hydroxide) to generate water-soluble salts To illustrate the occurrence of the reaction. Since the reaction is carried out in solution, the result of the acid-base oxime should produce water cannot be seen directly. For this purpose, we will perform demonstration experiments on acid and alkali.