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如何鉴别稀盐酸和氢氧化钠
更新时间: 2020-09-16 00:00:00  

紫色石蕊:能使它变红的是盐酸,变蓝的是氢氧化钠。无色酚酞:能使它变红的是氢氧化钠,不变的是盐酸。锌:溶解并产生气泡的是盐酸,不反应的是氢氧化钠。氧化铜:溶解的是盐酸,不反应的是氢氧化钠。碳酸钠:产生气泡的是盐酸,无气泡的是氢氧化钠。氢氧化铜:能溶解的是盐酸,不溶解的是氢氧化钠。

关键词: 如何 鉴别 盐酸 氢氧化钠

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