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12th Grade > Chemistry

POLYMERS MCQs

Total Questions : 30 | Page 1 of 3 pages
Question 1. Which of the following is used in vulcanization of rubber?
  1.    SF6
  2.    CF4
  3.    Cl2F2
  4.    C2F2
 Discuss Question
Answer: Option A. -> SF6
:
A
SF6 is used in the vulcanisation of rubber. Sulphur is heated with rubber to introducecross-linking and thusform a tougher form of rubber.
Which Of The Following Is Used In Vulcanization Of Rubber?
Question 2. Buna-S rubber is which of the following of 1-3-butadiene and styrene
  1.    Polymers
  2.    Copolymer
  3.    Step growth polymer
  4.    Condensation polymer
 Discuss Question
Answer: Option B. -> Copolymer
:
B
Buna-S Rubber Is Which Of The Following Of 1-3-butadiene And...
Question 3. Which of the following statements is correct regarding the drawbacks of raw rubber?
  1.    It is not elastic in nature
  2.    It has high durability
  3.    It doesn’t absorb water
  4.    All of these
 Discuss Question
Answer: Option A. -> It is not elastic in nature
:
A
The raw rubber is not elasticwhen found innature. It becomes soft at high temperature. It has little durability and it has large water absorption capacity.
Question 4. Which of the following is a monomer of natural rubber?
  1.    Neoprene
  2.    Isoprene
  3.    Chloroprene
  4.    Buna-N
 Discuss Question
Answer: Option B. -> Isoprene
:
B
Isoprene isthe monomer of natural rubber.
Which Of The Following Is A Monomer Of Natural Rubber?
Question 5. The monomeric units of terylene are glycol and which of the following?
 Discuss Question
Answer: Option B. -> Isoprene
:
D
The Monomeric Units Of Terylene Are Glycol And Which Of The ...
Question 6. Which of the following is not produced by condensation polymerisation?
  1.    Buna-S
  2.    Dacron
  3.    Novolac
  4.    Nylon 6
 Discuss Question
Answer: Option A. -> Buna-S
:
A
Buna-S is produced by the addition polymerisation of 1,3-butadiene and Styrene.
Question 7. Which of the following polymer is an example of fibre?
  1.    Silk
  2.    Dacron
  3.    Nylon-6, 6
  4.    All of these
 Discuss Question
Answer: Option D. -> All of these
:
D
Silk is a protein fibre. Dacron is a polyester fibre and Nylon-6,6 is a polyamide fibre.
Question 8. Which of the following is a monomer of Dacron?
  1.    Adipic acid
  2.    Terephthalic acid
  3.    Acetic acid
  4.    Formic acid
 Discuss Question
Answer: Option B. -> Terephthalic acid
:
B
Dacron is formed by theinteraction of ethyleneglycol and terephthalic acid.
Which Of The Following Is A Monomer Of Dacron?
Question 9. Which of the following is a product when caprolactum is heated with water at a high temperature?
  1.    Nylon 6,6
  2.    Nylon 6
  3.    PVC
  4.    Bakelite
 Discuss Question
Answer: Option B. -> Nylon 6
:
B
Caprolactumisheated withwateratahightemperatureto obtainNylon 6.
Which Of The Following Is A Product When Caprolactum Is Heat...
Question 10. Which of the following is a linear polymer?
  1.    Nylon
  2.    Bakelite
  3.    Low density polythene   
  4.    Melamine-formaldehyde polymer
 Discuss Question
Answer: Option A. -> Nylon
:
A
Nylon is a linear polymer.
Which Of The Following Is A Linear Polymer?

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