一、复习要求1会正确连接常用仪器.2能正确而熟练地安装实验装置,并能根据实验要求设计、评价实验方案,组装实验装置.二、主要内容提示初中化学组合实验一般以Ｏ2、Ｈ2、ＣＯ2三种气体的制取与性质实验或迁移应用其原理和性质实验为主线,将许多仪器有序组装成完整装置,再依据实 First, review requirements 1 will be properly connected to the commonly used instruments. 2 can correctly and skillfully install the experimental device, and according to the experimental requirements of the design, evaluation of experimental programs, assembly of experimental devices. Second, the main content suggests junior high school chemistry combination experiments generally O2, H2 , CO2 gas preparation and nature of the experiment or migration of the principle and nature of the experimental application of the main line, the orderly assembly of many instruments into a complete device, and then based on