Which polymer is used for coating cookware to make them non-sticky?
PET
PAN
Teflon
Perlon
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.
Which of the following structures represents neoprene polymer?
Which of the following is a chain growth polymer?
Starch
Nucleic acid
Polystyrene
Protein
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 is not a thermoplastic?
Polyvinyl chloride
Nylon- 66
In elastomers, intermolecular forces are
very strong
weaker
strong
nil
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 synthetic polymer which resembles natural rubber is
neoprene
chloroprene
nylon
