下列鉴别物质的方法中切实可行的是 A.用肥皂水鉴别硬水和软水b.用石蕊试液鉴别稀盐酸和稀硫酸c.用氯化钡溶液鉴别硝酸银溶液和硫酸钠溶液d Template




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tomski下列鉴别物质的方法中切实可行的是 a.用肥皂水鉴别硬水和软水b.用石蕊试液鉴别稀盐酸和稀硫酸c.用氯化钡溶液鉴别硝酸银溶液和硫酸钠溶液d coloring