A Complete Collection of 100000 Whys
Fav十万个为什么
为什么洗洁精能去油污？
简单的摘要：洗洁精能去油污的原因主要是表面活性剂的作用、乳化作用以及溶解作用。
1、洗洁精中含有表面活性剂，这种物质可以降低水的表面张力，使水更容易渗透到油污和物体表面之间，从而将油污从物体表面分离。
2、表面活性剂还具有乳化作用，能够将大的油滴分散成细小的油滴，这些细小油滴能够被水包围并冲走，从而去除油污。
3、洗洁精中的某些成分能够溶解油污，使其转化为可溶于水的物质，这样油污就能够随着水流被冲走，达到清洁的效果。
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