2- methyl propene
styrene
propylene
ethene
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.
Neoprene is
a monomer of rubber
synthetic rubber
natural rubber
vulcanised rubber
Which of the following is not a synthetic rubber?
Neoprene
SBR
Thiokol
Orlon
For the formation of terylene, the number of moles of ethylene glycol required per mole of terephthalic acid is
1
3
2
4
Which of the following structures represents neoprene polymer?
Plexi glass is a commercial name of
glyptal
polyacrylonitrile
polymethyl methacrylate
polyethyl acrylate
Which of the following is not a thermoplastic?
Polystyrene
Teflon
Polyvinyl chloride
Nylon- 66
Which of the following is a chain growth polymer?
Starch
Nucleic acid
Protein
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
