Quick Emulsifier Chemistry Demonstration
(About.com) Soap is good at cleaning because it acts as an emulsifier, enabling one liquid to disperse into another immiscible liquid. While oil (which attracts dirt) doesn't naturally mix with water, soap can suspend oil/dirt in such a way that it can be remove
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updated 981 (Chemistry), inserted 10, updated 0, at 2012-05-28 05:24:18