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Mr. BackSide -
Emulsions don't settle out when a surfactant is added to stabilize the interface between the continuous phase and the dispersed phase.
Soap emulsifies oils in water, and acts as a decent surfactant to stabilize the interface between oils and water.
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"¿ʞɐǝɹɟ ɐ ǝɹ,noʎ uǝɥʍ 'ʇı ʇ,usı 'ʎlǝuol s,ʇı"
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