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JEE CHEMISTRY MCQ: BIOMOLECULES

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Drying oils are so called because they:
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Correct option: D
Are highly unsaturated and so undergo atmospheric oxidation to yield resinous residue and becomes hard solid
Option D (Are highly unsaturated and so undergo atmospheric oxidation to yield resinous residue and becomes hard solid) is correct because drying oils contain unsaturated fatty acids that polymerize upon exposure to air, forming a solid film.

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