The process of partial hydrogenation turns liquid plant lipids into semisolid lipids by: 1. Adding antioxidants that prevent lipid oxidation. 2. Creating hydrocarbon chains that are more kinked than those in natural fats. 3. Substituting nitrogen for carbon in fatty acid chains. 4. Removing double bonds and adding hydrogen to the fatty acid chains of plant lipids.

Option 4) Removing double bonds and adding hydrogen to the fatty acid chains of plant lipids.

The process of partial hydrogenation turns liquid plant lipids into semisolid lipids by removing double bonds and adding hydrogen to the fatty acid chains of plant lipids.

Explanation:

First, hydrogenation is the addition of hydrogen atoms to an unsaturated compound to yield a new compound that is more or fully saturated.

So, once hydrogen atoms are introduced into the unsaturated liquid plant lipids, the double bonds becomes single bonds i.e hydrogenated; and eventually yields semisolid lipids that are more saturated.

Thus, option 4 is the answer

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