化学实验所用的药品种类繁多，有的是易燃、易爆、剧毒和有腐蚀性；在实验中使用不当就可能发生火灾、中毒、烧伤、爆炸等意想不到的事故；加上实验所用的仪器多数是玻璃制品、电器设备等，增大了潜在的危险性。如果正确使用仪器设备，安全准确操作，事故的发生就可以避免；下? Chemical experiments use a wide range of drugs, some of which are flammable, explosive, highly toxic, and corrosive; improper use in the experiment may cause unexpected accidents such as fire, poisoning, burns, explosions, etc.; plus the majority of instruments used in experiments. Glass products, electrical equipment, etc. increase the potential for danger. If the correct use of equipment, safe and accurate operation, the accident can be avoided;