硫酸和盐酸既是实验室常用的试剂也是重要的化工原料.它们既有相似之处又有不同之点.1它们水溶液的ph都小于小于7填“大于 “小于 或 Template




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tomski硫酸和盐酸既是实验室常用的试剂也是重要的化工原料.它们既有相似之处又有不同之点.1它们水溶液的ph都小于小于7填“大于 “小于 或 coloring