Which of the following is a biodegradable polymer?
Polythene
PVC
Bakelite
PHBV
Question 12 In the following groups of materials, which group(s) contains only non-biodegradable items? (i) Wood, paper, leather (ii) Polythene, detergent, PVC (iii) Plastic, detergent, grass (iv) Plastic, bakelite, DDT (a) (iii) (b) (iv) (c) (i) and (iii) (d) (ii) and (iv)
Which of the two is a thermosetting plastic : PVC or bakelite ?
Which of the following has cross-linked polymer chains ?
(a) bakelite (b) polyester (c) PVC (d) nylon
The commercial name of polyacrylonitrile is ...........
(a) dacron
(b) orlon (acrilan)
(c) PVC
(d) bakelite