Most of the fibre forming polymers are crystalline in nature, one of the
exceptions being __________ which is amorphous in nature.
(A) Nylon
(B) Polyacrylonitrile
(C) Polypropylene
(D) Polyester
exceptions being __________ which is amorphous in nature.
(A) Nylon
(B) Polyacrylonitrile
(C) Polypropylene
(D) Polyester