2018年中考化学真题分类汇编3化学实验与探究考点15化学实验常用仪器和基本操作安全处理(无答案).doc

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1化学实验常用仪器和基本操作(2018湘西州) 在实验室中,下列物质具有强烈腐蚀性的是( ) A. 稀 HCl B. NaCl 溶液 C. KNO3 溶液 D. 98%的浓 H2SO4 (18 泰州)13.下列对实验意外事故的处理方法错误的是A.若不慎将稀硫酸溅入眼睛,要先用手揉眼睛,再立即用水冲洗B.若不慎将烧碱溶液沾到皮肤上,要用较多的水冲洗,再涂上硼酸溶液C.若不慎将燃着的酒精灯碰倒,洒出的酒精在桌面上燃烧,应立刻用湿抹布扑盖D.若不慎将少量浓硫酸沾到皮肤上,应立即用大量水冲洗,再涂上 3%5%的碳酸氢钠溶液

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