Margarine is made by hydrogenating vegetable oils so that they take on the consistency of butter. Propose a chemical basis for this change from a liquid to a solid.
A. Hydrogenation of fats changes them from unsaturated to saturated, which are more solid.
B. Trans-fatty acid are changed from saturated to unsaturated, allowing them to solidify.
C. Trans-fatty acids are changed from unsaturated to saturated, allowing them to solidify.
D. Hydrogenation of fats changes them from saturated to unsaturated, which are more solid.
Answer: A
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