CBSE
Which of the following organic compounds polymerises to form the polyester dacron?
Propylene and para HO-(C6H4)-OH
Benzoic acid and ethanol
Terephthalic acid and ethylene glycol
Terephthalic acid and ethylene glycol
Which one of the following is an example of a thermosetting polymer?
Nylon is an example of
Polyester
Polysaccharide
polyamide
polyamide
Which one of the following sets forms the biodegradable polymer?
CH2 =CH-CN and CH2 =CH-CH=CH2
H2N-CH2-COOH and H2N-(CH2)5-COOH
HO-CH2-CH2-OH and
HO-CH2-CH2-OH and
Biodegradable polymer which can be produced from glycine and aminocapric acid is
nylon 2-nylon 6
PHBV
buna -N
buna -N
Natural rubber has
All trans-configuration
Alternate cis and trans configuration
Random cis and trans configuration
Random cis and trans configuration
Which is the monomer of neoprene in the following
Which of these is not a monomer for high molecular mass silicone polymer?
MeSiCl3
Me2SiCl2
Me3SiCl
Me3SiCl
Which of the following is not condensation polymer?
Melamine
Glyptal
Dacron
Dacron
Which of the following statements is false?
Artificial silk is derved from cellulose
Nylon-66 is an example of elastomer
The repeat unit in natural rubber isoprene
The repeat unit in natural rubber isoprene