- (A) Polystyrene
- (B) Melamine
- (C) Polystyrene
- (D) Polyurethane
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- (A) Cross linked polystyrene
- (B) Phenol formaldehyde resins
- (C) Polyesters
- (D) Polyamides
- (A) Automobile cushion
- (B) Thermal insulation in refrigerator
- (C) Coating and adhesive
- (D) Fibre reinforced plastic (FRP)
- (A) Can be repeatedly melted
- (B) Is useful for melt casting
- (C) Cannot be melted after forming
- (D) Is useful for spinning
- (A) Condensation polymerisation product of Hexamethylene diamine and adipic acid
- (B) Condensation polymerisation product of dimethyl terephthalate (DMT) and ethylene glycol
- (C) Thermosetting material
- (D) None of these
- (A) Direct
- (B) Indirect
- (C) Impact
- (D) None of these
- (A) Thermoplastic
- (B) Thermosetting
- (C) Linear
- (D) Glass like transparent
- (A) PVC
- (B) Bakelite
- (C) PTFE
- (D) Epoxy resin
- (A) Molecular sizes
- (B) Magnitude of intermolecular forces
- (C) Resistance to heat
- (D) Polymerisation mechanism Answer: Option B
- (A) Addition polymer
- (B) Poly amide
- (C) Homopolymer
- (D) None of these
