Polymers  MCQs

MCQs of Polymers

Showing 141 to 150 out of 168 Questions
141.
Which biodegradable polymer is not used for post operative stitches ?
(a) Dextran
(b) PGA
(c) PLA
(d) PHBV
Answer:

Option (d)

142.
What is the monomer of the polymer which is used for manufacturing non-stick vessels ?
(a) CH2 = CH2
(b) CH2 = CH·CN
(c) CH2 = CH·Cl
(d) CF2 = CF2
Answer:

Option (d)

143.
If the value of Mn of a polymer is 38,000 and PDI = 1.18, then what will be the value of Mw for it ?
(a) 68,400
(b) 48,440
(c) 44,840
(d) 61,246·24
Answer:

Option (c)

144.
In which polymer polymerization linkage is there ?
(a) Nylon-6
(b) Nylon-66
(c) Nylon-6, 10
(d) All of the above
Answer:

Option (d)

145.
What is the use of HDP ?
(a) In preparation of medical instruments.
(b) As fibres for artificial wool.
(c) In preparation of fishing net.
(d) In preparation of tough and durable instrument.
Answer:

Option (d)

146.
Which pair indicates homo polymer ?
(a) Buna-S and Buna-N
(b) PVC and PmTFE
(c) PHBV and teflon
(d) Terene and polypropylene
Answer:

Option (b)

147.
If Mw of polymer is 32,000 and value of PDI is 1·04, then what will be the value of Mn ?
(a) 30,770
(b) 31,400
(c) 28,000
(d) 28,547
Answer:

Option (a)

148.
What is natural silk ?
(a) Polypeptide
(b) Polysaccharide
(c) Polychloropene
(d) Polyacrylonitrile
Answer:

Option (d)

149.
Which of the following is cross linked polymer ?
(a) Nylon
(b) Melamine
(c) Terylene
(d) PHBV
Answer:

Option (b)

150.
Which polymer is a polymer of polyamide group ?
(a) Nylon-6
(b) Nylon 6 6
(c) Melamine
(d) (A) and (B)
Answer:

Option (d)

Showing 141 to 150 out of 168 Questions