题目内容

具有 Krafft 点的表面活性剂是

A. 聚山梨酯类
B. 脂肪酸山梨坦类
C. 肥皂类
D. 聚氧乙烯脂肪酸酯

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表面活性剂的增溶作用,是由于形成了

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B. 胶束
C. 包合物
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A. unless
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