Q.

Drying oils contain a fairly large proportion of –

A. fats
B. proteins
C. saturated fatty acids
D. unsaturated fatty acids
Answer» D. unsaturated fatty acids
Explanation: They contain a high percentage of "polyunsaturates" (polyunsaturated fatty acids). Most drying oils owe their drying properties tothe presence of a large percentage of linolenic acid (which derives its name from "linseed"), which is highly unsaturated.
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