| (i) Polystyrene |
| (ii) Melamine |
| (iii) Polyesters |
| (iv) Polyethylene |
| (v) Neoprene |
A) (i) and (iii)
B) (i) and (iv)
C) (iii),(iv) and (v)
D) (ii) and (iv)
Correct Answer: B
Solution :
[b] Polystyrene and polyethylene belong to the category of thermoplastic polymers which are capable of repeatedly softening on heating and harden on cooling.
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