NEET 2022
- Exam
- NEET
- Year
- 2022
- Subject
- Chemistry
- Chapter
- Polymers
NEET 2022 · Chemistry · Polymers
Which among the following is a thermoplastic polymer ?
Which among the following is a thermoplastic polymer ?
Options
- ABakelite
- BPolythene
- CUrea-formaldehyde resin
- DMelamine polymer
Correct answer
B. Polythene
Step-by-step solution
Thermoplastic polymer - Those plastics which can be remoulded again and again.
Thermosetting plastics - Those plastics which becomes hard on cooling and permanently sets into a solid.
(1) Bakelite - Thermosetting plastic polymer (A phenol - formaldehyde resin)
(2) Polythene - Thermoplastic polymer.
(3) Urea - formaldehyde resin - A thermosetting plastic polymer.
(4) Melamine polymer - Thermosetting plastic polymer.