2
MCQ (Single Correct Answer)
Which of the following is not a semisynthetic polymer?
A
cis-polyisoprene
B
Cellulose nitrate
C
Cellulose acetate
D
Vulcanised rubber
3
MCQ (Single Correct Answer)
The commercial name of polyacrylonitrile is ............ .
A
dacron
B
orlon (acrilan)
C
PVC
D
bakelite
4
MCQ (Single Correct Answer)
Which of the following polymer is biodegradable?
A
B
C
D
5
MCQ (Single Correct Answer)
In which of the following polymers ethylene glycol is one of the monomer units?
A
B
C
D
6
MCQ (Single Correct Answer)
Which of the following statements is not true about low density polyethene?
A
Tough
B
Hard
C
Poor conductor of electricity
D
Highly branched structure