Which type of polymer is bakelite?
Addition polymer
Homopolymer
Condensation polymer
Biopolymer
Which of the following is not a synthetic rubber?
Neoprene
SBR
Thiokol
Orlon
The vulcanised rubber has
High water absorption, resistant to oxidation and good elasticity.
High water absorption, susceptible to oxidation and good elasticity.
Low water absorption, susceptible to oxidation and good elasticity.
Low water absorption, resistance to oxidation and good elasticity.
Which of the following is not a thermoplastic?
Polystyrene
Teflon
Polyvinyl chloride
Nylon- 66
When condensation product of hexamethylenediamine and adipic acid is heated to 553 K (80o) in an atmosphere of nitrogen for about 4-5 h, the product obtained is
Solid polymer of nylon - 66
Liquid polymer of nylon- 66
Gaseous polymer of nylon-66
Liquid polymer of nylon - 6
Which of the following structures represents neoprene polymer?
Which of the following is a biodegradable polymer?
Cellulose
Polythene
Nylon - 6
Which of the following is not a polymer?
RNA
Oxytocin
Cholesterol
Amylose
In elastomers, intermolecular forces are
Plexi glass is a commercial name of
Glyptal
Polyacrylonitrile
Polymethyl methacrylate
Polyethyl acrylate
