Which of the following sets are correct regarding polymer ?
(A) Copolymer : Buna-S
(B) Condensation polymer : Nylon-6,6
(C) Fibres : Nylon-6,6
(D) Thermosetting polymer : Terylene
(E) Homopolymer : Buna-N
Choose the correct answer from given options below :
Official answer: A
Check each. (A) Buna-S, from butadiene and styrene, is a copolymer ✓. (B) Nylon-6,6 is a condensation polymer ✓. (C) Nylon-6,6 is a fibre ✓. (D) Terylene is a thermoplastic polyester fibre, not thermosetting ✗. (E) Buna-N, from butadiene and acrylonitrile, is a copolymer ✗.
(A), (B) and (C).
(A)