Which of the following does not reduce Fehling's solution?
Benzaldehyde
Formic acid
Glucose
Fructose
The synthetic polymer which resembles natural rubber is
neoprene
chloroprene
glyptal
nylon
Which type of polymer is bakelite?
Addition polymer
Homopolymer
Condensation polymer
Biopolymer
Which of the following is a biodegradable polymer?
Cellulose
Polythene
Polyvinyl chloride
Nylon - 6
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 is a chain growth polymer?
Starch
Nucleic acid
Polystyrene
Protein
Teflon is a polymer of
Vinyl chloride
tetrachloro ethylene
tetrafluro ethylene
buta - 1,3- diene
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
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 synthetic rubber?
Neoprene
SBR
Thiokol
Orlon
