Polymers  MCQs

MCQs of Polymers

Showing 131 to 140 out of 168 Questions
131.
Which polymer is not included in non-biodegradable polymers ?
(a) Nitrile rubber
(b) Cellulose nitrate
(c) Terylene
(d) Nylon-2-Nylon-6
Answer:

Option (d)

132.
PHBV is prepared from β-hydroxy butyric acid with _____ by co-polymerization condensation reaction.
(a) β-hydroxy propanoic acid
(b) β-hydroxy valeric acid
(c) β-hydroxy pentanoic acid
(d) Both (B) and (C)
Answer:

Option (d)

133.
Which of the following pair of monomers are used in preparation of PHBV ?
(a) Lactic acid, adipic acid
(b) β-hydroxy valeric acid, amino caproic acid
(c) β-hydroxy butyric acid, adipic acid
(d) β-hydroxy butyric acid and β-hydroxy valeric acid
Answer:

Option (d)

134.
What type of biodegradable polymer is PHBV ?
(a) Polyamide
(b) Polythene
(c) Polyester
(d) Resin
Answer:

Option (c)

135.
β-hydroxy butyric acid is responsible for which property in PHBV ?
(a) Utility
(b) Flexibility
(c) Stiffness
(d) Good elasticity
Answer:

Option (c)

136.
Nylon-2-Nylon-6 is a co-polymer of _____ series.
(a) polyamide
(b) polythene
(c) polyester
(d) rubber
Answer:

Option (a)

137.
Biodegradable polymer which can be produced from glycine and aminocaproic acid is _____ .
(a) Nylon 6, 6
(b) Nylon 2 - nylon 6
(c) PHBV
(d) Buna - N
Answer:

Option (b)

138.
What is the number of carbon atoms in amino caproic acid ?
(a) 2
(b) 4
(c) 6
(d) 3
Answer:

Option (c)

139.
By the hydrolysis of what amino caproic acid is obtained ?
(a) Phenol
(b) Aniline
(c) Caprolactum
(d) o-cresol
Answer:

Option (c)

140.
Name the first biodegradable polymer used for post operative stitches ?
(a) PLA
(b) PGA
(c) Dextran
(d) PHBV
Answer:

Option (c)

Showing 131 to 140 out of 168 Questions