下列除杂质所选用试剂或选用方法正确的是 A.用稀盐酸除去氧化铜粉中的镁粉b.用氢氧化钠溶液除去co2溶液中的hclc.用通过灼热氧化铁方法 Template




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tomski下列除杂质所选用试剂或选用方法正确的是 a.用稀盐酸除去氧化铜粉中的镁粉b.用氢氧化钠溶液除去co2溶液中的hclc.用通过灼热氧化铁方法 coloring