Teflon is a polymer of
Vinyl chloride
Tetrachloro ethylene
Tetrafluro ethylene
Buta - 1,3- diene
Which of the following is used in vulcanization rubber?
SF6
CF4
Cl2F2
C2F2
The synthetic polymer which resembles natural rubber is
Neoprene
Chloroprene
Glyptal
Nylon
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, susceptible to oxidation and good elasticity.
Low water absorption, resistance to oxidation and good elasticity.
Which of the following does not reduce Fehling's solution?
Benzaldehyde
Formic acid
Glucose
Fructose
Which type of polymer is bakelite?
Addition polymer
Homopolymer
Condensation polymer
Biopolymer
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
Which of the following structures represents neoprene polymer?
Plexi glass is a commercial name of
Polyacrylonitrile
Polymethyl methacrylate
Polyethyl acrylate
