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Results tagged with surfactants
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user 3879
Questions about compounds that lower the surface tension (or interfacial tension) between two liquids or between a liquid and a solid.
9
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Soap and rain water, why does it not rinse off?
Yes, this is a good explanation. Rain water is almost pure water, it lacks of bivalent ions such as $\ce{Ca^{2+}}$ and $\ce{Mg^{2+}}$ which helps soap to rinse of. You will get the same effect when a …
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