Most of the fibre forming polymers are crystalline in nature, one of the exceptions being ______________ which is amorphous in nature?
Correct answer: B. Polyacrylonitrile
- A. Nylon
- B. Polyacrylonitrile
- C. Polypropylene
- D. Polyester
Explanation
Polyacrylonitrile is comparatively amorphous among the listed fibre-forming polymers, whereas nylon, polypropylene and polyester generally possess significant crystalline structure. This amorphous character is the key distinction tested.
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