下列有关物质的区分方法不正确的是 A.用肥皂水区分硬水和蒸馏水b.用水区分氯化钠和氢氧化钠两种固体c.用石蕊试液区分稀硫酸和氢氧化钠溶液d Template




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tomski下列有关物质的区分方法不正确的是 a.用肥皂水区分硬水和蒸馏水b.用水区分氯化钠和氢氧化钠两种固体c.用石蕊试液区分稀硫酸和氢氧化钠溶液d coloring