下列各组物质混合后不产生气体或沉淀得到无色溶液的一组是 A.硝酸钡和稀硫酸 b.氧化铜和稀硫酸 c.大理石和稀盐酸 d.石灰水和稀盐酸 Template




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tomski下列各组物质混合后不产生气体或沉淀得到无色溶液的一组是 a.硝酸钡和稀硫酸 b.氧化铜和稀硫酸 coloring