本实验按照课本介绍的方法 ,用无水 N a A c与市售碱石灰加热制取甲烷 ,温度要求高且反应速度很缓慢 ,产气量少 ,不仅集气时间长 ,而且可燃性实验往往无法进行。其主要原因是在市售的碱石灰试剂中 ,N a O H的含量只占 1/7,含有水分相当多 ,不适用于制甲烷 ,通过实践 ,我们使用 In this experiment, according to the method described in the textbook, the anhydrous N a A c and commercially available soda lime are used to make methane. The temperature requirement is high and the reaction speed is very slow. The gas production is small, not only the gas collection time is long, but also the flammability experiment often fails. get on. The main reason is that in the commercially available soda lime reagent, the content of NaOH is only 1/7, contains a lot of moisture, and is not suitable for methane production. Through practice, we use