A. Addition polymerisation product
B. Condensation polymerisation product
C. Thermosetting material
D. None of these
A. PVC
B. Polythene
C. Bakelite
D. Polystyrene
A. Hardeners
B. Anti-shrinkage agents
C. Plasticisers
D. Transparency improver
A. Molecular sizes
B. Magnitude of intermolecular forces
C. Resistance to heat
D. Polymerisation mechanism
Answer: Option B
A. 50
B. 75
C. 90
D. 99
A. Highly vulcanised rubber
B. Natural rubber
C. Unvulcanised raw rubber
D. Adhesive
A. Impart flexibility
B. Improve workability during fabrication
C. Develop new improved properties not present in the original resin
D. All A., B. and C.