Which of the following is not a thermoplastic?
Polystyrene
Teflon
Polyvinyl chloride
Nylon- 66
For the formation of terylene, the number of moles of ethylene glycol required per mole of terephthalic acid is
1
3
2
4
Which polymer is used for coating cookware to make them non-sticky?
PET
PAN
Perlon
Which of the following is not a polymer?
RNA
Oxytocin
Cholesterol
Amylose
Which type of polymer is bakelite?
Addition polymer
Homopolymer
Condensation polymer
Biopolymer
Which of the following is a biodegradable polymer?
Cellulose
Polythene
Nylon - 6
Which of the following is used in vulcanization rubber?
SF6
CF4
CI2F2
C2F2
Which of the following is not a synthetic rubber?
Neoprene
SBR
Thiokol
Orlon
Plexi glass is a commercial name of
glyptal
polyacrylonitrile
polymethyl methacrylate
polyethyl acrylate
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, resistance to oxidation and good elasticity.
