下列实验方案或措施不合理的是 A.用稀盐酸清除铁制品表面的铁锈b.用氯化钡溶液鉴别稀盐酸和稀硫酸c.用co2鉴别naoh和caoh2 Template




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tomski下列实验方案或措施不合理的是 a.用稀盐酸清除铁制品表面的铁锈b.用氯化钡溶液鉴别稀盐酸和稀硫酸c.用co2鉴别naoh和caoh2 coloring