Why Do Oil and Water Not Mix?

Answer

Oil and water don't mix due to the fact that oil is made up of non-polar molecules while water on the other hand consists of polar molecules. Although both of them are liquids, their chemical compositions are very dissimilar from each other. Oil is made of long non polar hydrocarbons meaning it experiences weak forces of attraction while water molecules have one end positively charged while the other negatively charged.
Q&A Related to "Why Do Oil and Water Not Mix"
There is large density difference in oil and water. Molecules of oil don't form any bond with water molecules when mixed. Hence oil and water don't mix.
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Both oil and water are liquids, but their chemical compositions are very different from each other. Chemically, all kinds of oils are long chains of carbon atoms with hydrogen atoms
http://wiki.answers.com/Q/Why_water_and_oil_do_not...
In chemistry, miscibility is the ability of two substances, usually liquids, to mix together in equal proportions to form a homogeneous product. Water is polar, carrying a negative
http://www.ehow.com/how-does_5180439_water-salt-bu...
Water is held together by hydrogen bonds and can interact efficient...
http://www.chacha.com/question/why-do-water-and-oi...
1 Additional Answer
Oil and water don't mix because water is polar and oil is non-polar. Because of the differences in polarity, oil is repelled by water molecules.
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