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    【题目】以下说法正确的是（ ）

    A．溶液一定是均一、无色、稳定的

    B．均一、稳定的液体一定是溶液

    C．溶液的溶质一定是固体

    D．溶液一定是混合物

    【答案】D

    【解析】溶液一定是均一、稳定的，但不一定是无色的，如硫酸铜溶液是蓝色的，A错；蒸馏水是均一、稳定的液体，但不是溶液，B错；固体、液体、气体都可以作溶质，C错；溶液是由溶质和溶剂组成的，故属于混合物，D正确．

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