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"
1. Fill an empty, clean spray bottle with 8 oz. water. 2. Add 1 tsp. oil to the bottle. 3. Pour 2 oz. vodka into the bottle. The vodka will act as a binding agent to combine the oil
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Because of different densities; being density of oil lower than water density, this makes oil float on water.
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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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