高中化学课本第二册在做乙醛的银镜反应实验过程中,把反应物溶液混合振荡后,再放在热水浴里温热多时,其需要时间长,成功率低。经反复实验,证明先用酸液,后用碱液煮沸试管,再用清水冲洗,在碱性溶液中进 In the course of the silver mirror reaction experiment of acetaldehyde used in the second volume of the high school chemistry textbook, the reactant solution was mixed and shaken, and then placed in a hot water bath for a long time, which required a long time and a low success rate. After repeated experiments, it was proved that the acid solution was used first, then the tube was boiled with lye, and then rinsed with water.