实验是化学学科的重要组成部分,也是中考的重点。本文将初中化学中经常使用的化学仪器的使用方法和一些注意事项总结如下。一、酒精灯酒精灯里的酒精不超过其容积的2/3, 也不得少于容积的1/3。加热时需用外焰。二、量筒 Experiments are an important part of the chemistry discipline and are also the focus of the examination. This article summarizes the use of chemical instruments that are often used in chemistry in junior high schools and some notes. 1. The alcohol in an alcohol lamp does not exceed 2/3 of its volume and must not be less than 1/3 of its volume. External flame is required for heating. Second, the cylinder