1.

Cellulose acetate has very high film permeability among all the polymers of the order of 5000 gm/100 m. Which of the following polymers has the maximum film elongation (of the order of 100%) ?

A. Water impermeable cellophane
B. Polythene
C. Cellulose acetate
D. Teflon
Answer» C. Cellulose acetate


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