For the formation of terylene, the number of moles of ethylene glycol required per mole of terephthalic acid is
1
3
2
4
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
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
Which of the following is a biodegradable polymer?
Cellulose
Polythene
Polyvinyl chloride
Nylon - 6
Which of the following is used in vulcanization rubber?
SF6
CF4
CI2F2
C2F2
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
Which of the following is not a polymer?
RNA
Oxytocin
Cholesterol
Amylose
