Which of the following plastics do not have cross-links between their polymer chains

(A) Nylon

(B) Nekamine

(C) Terylene

(D) Bakelite

The man-made fibre which contains identical to:

One of the following man-made fibre is not prepared from raw materials obtained from petrochemicals. This one is:

The clothes of a person working in the kitchen catch fire accidently causing severe burns. The person is most likely wearing clothes made of:

The plastic which is coated on the uniforms of firemen to make them fire-resistant is: