Most salad dressings are emulsions. An emulsion is a mixture of two liquids that normally do not combine. Vinaigrette is a temporary emulsion, one that quickly separates. That is why it is necessary to shake oil-and-vinegar dressings before using them.
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Answer:
Most salad dressings are emulsions. An emulsion is a mixture of two liquids that normally do not combine. Vinaigrette is a temporary emulsion, one that quickly separates. That is why it is necessary to shake oil-and-vinegar dressings before using them.
Explanation:
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