Tuesday, August 17, 2010

Why doesn't oil come off when washing hands with water, but does with soap????

When using different types of oil and wash my hands with water the oil doesnt come off but with soap it does....Why doesn't oil come off when washing hands with water, but does with soap????
Oil and water do not mix. But soap is a molecule with two different ends, one of which binds well with oil, the other which binds well with water. So it pulls the oil off your hands, into the water.

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