Cl_2是中学化学中常见的气体之一,其实验室制法是同学们学习的重点.下面将Cl_2实验室制法的有关知识及拓展简介如下,供同学们参考,以帮助大家更好地掌握这部分内容.一、反应原理在实验室里,Cl_2可以用浓盐酸与MnO_2起反应来制取,反应的化学 Cl_2 is one of the common gases in middle school chemistry. Its laboratory method is the focus of students’ learning. The following is a brief introduction of the relevant knowledge and development of Cl 2 laboratory method for students’ reference to help you better grasp This part of the content. First, the reaction principle In the laboratory, Cl 2 can be made by reacting concentrated hydrochloric acid with MnO 2 , the reaction chemistry