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稀盐酸的化学式怎么写
更新时间: 2021-05-02 19:03:59  

1、稀盐酸是氯化氢气体的水溶液化学式为HCl。

2、稀盐酸与酸碱指示剂反应 稀盐酸使紫色石蕊变红,因为稀盐酸显酸性,酸可使石蕊变红,无色酚酞不变色。

3、和活泼的金属反应生成盐和氢气 Fe+2HCl=FeCl2+H2↑ Zn+2HCl=ZnCl2+H2↑ Mg+2HCl=MgCl2+H2↑ 2Al+6HCl=2AlCl3+3H2↑。

关键词: 盐酸 化学式 怎么

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