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"
Answer Water and oil don't mix because water is polar and the oil is nonpolar.
http://wiki.answers.com/Q/Why+does+oil+not+mix+wit...
Science expert Christopher Grayce compares the interaction between oil and water molecules to how boys interact with girls at recess. Grayce says, "Oil molecules like to stick
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Water is held together by hydrogen bonds and can interact efficient...
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Because the molecules that compose oil have a different electrical polarity than the molecules of water.
http://answers.yahoo.com/question/index?qid=200810...
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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