怎样用化学方法鉴别Ca(OH)2,NaOH,HCL,H2SO4?尽量简便..谢
人气:275 ℃ 时间:2019-08-18 01:33:43
解答
1、分别加入碳酸钠溶液,有白色沉淀生成的是Ca(OH)2,无现象的是NaOH,有气体生成的是HCl和H2SO4;
2、向HCl和H2SO4中分别加入BaCl2,有白色沉淀生成的是H2SO4,无现象的是HCl
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