Asked by Kate

Most dirt on your body is nonpolar, and is trapped in oil residue on your skin. What type of liquid is oil? (polar or nonpolar) show your calculations.

Would water rinse off this dirt, since it is in oil? Why or why not?

Does soapy water rinse off this dirt?

Soap: how does it work?
Answered by bobpursley
Oil is a long chain hydrocarbon, nonpolar.

Water is polar. What do you think?

Soap is a long chain oil with a POLAR end.
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