Polymers Test

Polymers

This is polymers Test-03 for CBSE class 12 Chemistry.. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
Identify the type of polymer. —A—A—A—A—A—A—
  • A
    condensation polymer
  • B
    None of these
  • C
    Homopolymer
    Correct
  • D
    Copolymer
2
Identify the type of polymer. —A—B—B—A—A—A—B—A—
  • A
    Copolymer
    Correct
  • B
    condensation polymer
  • C
    Homopolymer
  • D
    Cross – linked polymer
3
Which of the following polymers can have strong intermolecular forces?
  • A
    Rubber
  • B
    Nylon Polystyrene
  • C
    Polyesters
  • D
    Both Nylon Polystyrene and Rubber
    Correct
4
Which of the following options is monomer units of the below polymer
Question 4 figure 1
  • A
    Option A
  • B
    Option B
  • C
    Option C
  • D
    Option D
    Correct
5
Which of the following polymer can be formed by using the monomer unit represented below?
Question 5 figure 1
  • A
    Nylon – 6, 6
  • B
    Nylon 2–nylon 6
  • C
    Nylon 6
    Correct
  • D
    Melamine polymer
6
In which of the following polymers ethylene glycol is one of the monomer units?
  • A
    formation of dacron
    Correct
  • B
    formation of nylon 6,6
  • C
    formation of glyptal
  • D
    formation of nylon 6
7
Which of the following statements is not true about low density polythene?
  • A
    Good conductor of electricity
    Correct
  • B
    Tough
  • C
    Hard
  • D
    Highly branched structure
8
The commercial name of polyacrylonitrile is ______________.
  • A
    Bakelite
  • B
    PVC
  • C
    Orlon (acrilan)
    Correct
  • D
    Dacron
9
Dacron is manufactured by heating a mixture of ethylene glycol and terephthalic acid with one of the Conditions given below.
  • A
    at 420 to 460 K in the presence of zinc acetateantimony trioxide catalyst
    Correct
  • B
    condensation polymerisation under high pressure and at high temperature
  • C
    None of these
  • D
    by heating with water at a high temperature
10
Natural rubber is
  • A
    polychloroprene
  • B
    polyisoprene
    Correct
  • C
    polyfluoroethylene
  • D
    polyvinyl chloride
11
In vulcanisarion of rubber,
  • A
    sulphur reacts to form a new compound
  • B
    None of these
  • C
    sulphur adds new protective layer over rubber
  • D
    sulphur crosslinks are introduced
    Correct
12
Hexamethylenediamine with adipic acid to manufacture Nylon 6, 6 needs the following conditions to proceed.
  • A
    peroxide catalyst
  • B
    water at high pressure
  • C
    presence of either an acid or a base catalyst
  • D
    high pressure and high temperature
    Correct
13
Copolymerisation of 1, 3 – butadiene and acrylonitrile needs
  • A
    peroxide catalyst
    Correct
  • B
    persulphate catalyst
  • C
    zinc acetate catalyst
  • D
    antimony trioxide catalyst
14
Nylon – 2 – Nylon – 6 is
  • A
    aromatic polyester.
  • B
    None of these
  • C
    homopolymer
  • D
    polyamide copolymer
    Correct
15
Rubber tree is found in
  • A
    Mauritius
  • B
    Japan
  • C
    Russia
  • D
    India
    Correct