Which type of polymer is bakelite?
Addition polymer
Homopolymer
Condensation polymer
Biopolymer
Plexi glass is a commercial name of
glyptal
polyacrylonitrile
polymethyl methacrylate
polyethyl acrylate
The synthetic polymer which resembles natural rubber is
neoprene
chloroprene
nylon
Which of the following is not a synthetic rubber?
Neoprene
SBR
Thiokol
Orlon
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?
Which of the following is not a polymer?
RNA
Oxytocin
Cholesterol
Amylose
Which of the following does not reduce Fehling's solution?
Benzaldehyde
Formic acid
Glucose
Fructose
Which of the following is used in vulcanization rubber?
SF6
CF4
CI2F2
C2F2
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.
