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2018年中考化学真题分类汇编2我们身边的物质考点14酸碱盐和氧化物9化学性质通性3盐的通性（无答案）.doc

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1酸碱盐和氧化物（18 广州）29.(10 分)硫酸氢钠( NaHSO4)溶于水形成无色溶液,请预测其化学性质,说明预测的依据,并设计实验验证。限选试剂是: NaHSO4溶液、BaCl 2溶液、FeSO 4溶液、Na 2CO3溶液、NaOH 溶液、稀盐酸、酚酞溶液、紫色石蕊溶液、镁条、碳粉、氧化铜 预测 预测的依据 验证预测的实验操作与预期现象能够与含 Ba2+的盐反应取少量 NaHSO 4溶液于试管中,滴入BaCl2溶液,如果观察到 ，则预测成立能够与 (填物质类别)反应，如果观察到 ，则预测成立。能够与 (填物质类别)反应，如果观察到 ，则预测成立。

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