Which of the following is not a thermoplastic material ?
Which of the following is not a thermoplastic material ?
A. Epoxy polymer
B. PVC
C. Polystyrene
D. Polythene
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Addition polymerisation is not involved in the manufacture of_______________?
Addition polymerisation is not involved in the manufacture of_______________?A. Low density polythene
B. Poly vinyl chloride
C. Polystyrene
D. Polyhexamethylene adipamideThe conversion of caprolactam in the above case is about ____________ percent?
The conversion of caprolactam in the above case is about ____________ percent?A. 25
B. 50
C. 70
D. 90Thermoplastic resins usually____________________?
Thermoplastic resins usually____________________?A. Remain hard as long as they are hot
B. Cannot be reclaimed from waste
C. Permanent setting resins
D. Less brittle than thermosetting resins_____________ is a homopolymer?
_____________ is a homopolymer?A. Neoprene
B. Bakelite
C. Nylon-66
D. TeryleneEbonite is a/an___________________?
Ebonite is a/an___________________?A. Highly vulcanised rubber
B. Natural rubber
C. Unvulcanised raw rubber
D. AdhesiveCondensation polymerisation of _____________ produces Bakelite?
Condensation polymerisation of _____________ produces Bakelite?A. Propylene
B. Phenol & formaldehyde
C. Phenol & acetaldehyde
D. Urea & formaldehyde