Which of the following is not a synthetic rubber?
Neoprene
SBR
Thiokol
Orlon
2- methyl propene
Styrene
Propylene
Ethene
The synthetic polymer which resembles natural rubber is
Chloroprene
Glyptal
Nylon
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.
For the formation of terylene, the number of moles of ethylene glycol required per mole of terephthalic acid is
1
3
2
4
Which polymer is used for coating cookware to make them non-sticky?
PET
PAN
Teflon
Perlon
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
Which of the following is not a polymer?
RNA
Oxytocin
Cholesterol
Amylose
Teflon is a polymer of
Vinyl chloride
Tetrachloro ethylene
Tetrafluro ethylene
Buta - 1,3- diene
