模块一、化学实验的常见仪器和基本操作易错点1实验安全意识例1.下列实验操作与安全事故处理正确的是()A.用点燃的火柴在液化气瓶口检查是否漏气B.配制混酸时,将浓硝酸缓慢注入浓硫酸中,并用玻璃棒不断搅拌C.连接仪器时,把玻璃管插入橡胶塞孔时,用厚布护手,紧握用水润湿的玻璃管插入 Module 1, chemical experiments common equipment and basic operation error-prone points 1 safety awareness experiment Example 1. The following experimental operation and safety accident treatment is correct () A. Ignition match in the liquefied gas bottle mouth leak B. Preparation of mixed acid, the concentrated nitric acid is slowly concentrated sulfuric acid, and constantly stirring with a glass rod C. Connect the instrument, the glass tube into the rubber plug hole, the use of thick cloth hand guard, grasp the water wet glass tube inserted