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05-10-2016
Chemistry

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Why does an oil-and-vinegar salad dressing have two separate layers?

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Smultronställe Smultronställe

05-10-2016

This is because no matter how hard you try to shake or combine the oil and vinegar together, they eventually separate. This happens because vinegar and oil are made of very different types of molecules that are attracted to their own kind.

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