Stiffness and strength of polymer ___ with an increase in the degree of crystallinity.

Stiffness and strength of polymer ___ with an increase in the degree of crystallinity. Correct Answer increases

Higher degree of crystallinity gives a stiffer polymer. In semi crystalline polymer, strong intermolecular forces are found. These make polymer stiffer but also brittle.
Bissoy MCQ

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Which of the following property of a polymer decreases with an increase in crystallinity?