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【单选题】
下列关于surfactant的叙述中,错误的是A.
表面活性剂在溶液表面层的浓度大于其在溶液内部的浓度
B.
能够降低溶液表面张力的物质叫作表面活性剂
C.
表面活性剂分子结构中具有亲水基与亲油基
D.
能够显著降低溶液表面张力的物质叫作表面活性剂
E.
表面活性剂分子可在溶液表面作定向排列
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A.
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