Polymers Test

Polymers

This is polymers Test-01 for CBSE class 12 Chemistry.. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
Macromolecules are one of the following
  • A
    Ethers
  • B
    Amines
  • C
    Polymers
    Correct
  • D
    Esters
2
For macromolecules to form, one more of the following criteria are essential
  • A
    The repeating structural units are derived from some simple and reactive molecules
  • B
    the molecules in C are linked to each other by covalent bonds
  • C
    by joining of repeating structural units on a large scale
  • D
    All of these
    Correct
3
Cellulose, starch, resins and rubber belong to one of the following category of polymers
  • A
    None of these
  • B
    Semi – synthetic polymers
  • C
    Natural polymers
    Correct
  • D
    Synthetic polymers
4
cellulose acetate (rayon) and cellulose nitrate are __________ polymers
  • A
    Semi – synthetic polymers
    Correct
  • B
    Synthetic polymers
  • C
    Linear polymers
  • D
    Natural polymers
5
Polythene is not one of the following
  • A
    Branched chain polymers
  • B
    Linear polymer
  • C
    Synthetic polymer
  • D
    Semi – synthetic polymer
    Correct
6
Melamine is
  • A
    Semi – synthetic polymer
  • B
    cross linked polymer
    Correct
  • C
    Branched chain polymers
  • D
    Linear polymer
7
Repeated addition of monomer molecule possessing double or triple bonds, in this case, propene, forms
  • A
    Polypropene
    Correct
  • B
    Styrene
  • C
    Polythene
  • D
    None of these
8
Formation of Buna – S, involves polymerization of
  • A
    1,3 – Butadiene and Styrene
    Correct
  • B
    1,3 – Butadiene
  • C
    Polypropylene
  • D
    Styrene
9
The condensation of hexamethylene diamine with adipic acid forms
  • A
    nylon 6,
  • B
    styrene
  • C
    terylene
  • D
    nylon 6, 6
    Correct
10
${\left[ { - CH{\text{ }} - {\text{ }}CH\left( {{C_6}{H_5}{\text{ }}} \right) - } \right]_n}\;$is a polymer obtained from?
  • A
    styrene.
    Correct
  • B
    terylene
  • C
    nylon 6, 6
  • D
    nylon 6, 6
11
Buna – N is a polymer which is stretchable because of one of the following. Choose the most appropriate.
  • A
    weakest intermolecular forces
    Correct
  • B
    None of these
  • C
    elastomeric polymers,
  • D
    rubber – like solids
12
One of the following is a fibre.
  • A
    polyvinyl
  • B
    polystyrene
  • C
    polythene
  • D
    polyamide
    Correct
13
Choose the most appropriate among the following for Bakelite
  • A
    Option A
  • B
    Option B
  • C
    Option C
  • D
    undergoes extensive cross linking on heating
    Correct
14
Polymerisation can be obtained by
  • A
    Chain growth
  • B
    Condensation
  • C
    None of these
  • D
    Both Chain growth and Condensation
    Correct
15
Which polymers occur naturally in nature
  • A
    Starch and nylon
  • B
    Proteins and buno
  • C
    Starch and cellulose
    Correct
  • D
    Proteins and PVC