Nitrile rubber is produced by the polymerisation of_________________?

A. Blow moulding
B. Vacuum thermo forming
C. Injection moulding
D. None of these

A. Cellulose acetate
B. Cellulose nitrate
C. PVC
D. High density polythene

A. Solid
B. Liquid
C. Combination of solid & liquid
D. Neither solid nor liquid

A. Percent elongation
B. Resilience
C. Freezing point
D. Strength