Which of the following is not a thermoplastic?
Polystyrene
Teflon
Polyvinyl chloride
Nylon- 66
Which of the following is not a synthetic rubber?
Neoprene
SBR
Thiokol
Orlon
Which type of polymer is bakelite?
Addition polymer
Homopolymer
Condensation polymer
Biopolymer
Which of the following does not reduce Fehling's solution?
Benzaldehyde
Formic acid
Glucose
Fructose
Natural rubber is not used in making footwear for polar regions because
natural rubber becomes soft at temperature lower than 10oC
natural rubber becomes brittle at temperature lower than 10oC.
natural rubber melts at temperature lower than 10oC.
natural rubber becomes stronger at temperature lower than 10oC.
The synthetic polymer which resembles natural rubber is
neoprene
chloroprene
glyptal
nylon
Teflon is a polymer of
Vinyl chloride
tetrachloro ethylene
tetrafluro ethylene
buta - 1,3- diene
Plexi glass is a commercial name of
polyacrylonitrile
polymethyl methacrylate
polyethyl acrylate
Polyethylene is a resin obtained by polymerization of
styrene
isoprene
ethylene
butadiene
Which of the following is a biodegradable polymer?
Cellulose
Polythene
Nylon - 6