Polymers Test

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Polymers Test - 4

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Weekly Quiz Competition

Question 1
1 / -0.25

For macromolecules to form, one more of the following criteria are essential

A
by joining of repeating structural units on a large scale

B
the molecules in C are linked to each other by covalent bonds

C
The repeating structural units are derived from some simple and reactive molecules

D
All of these

Solution

Macromolecule is made by joining smaller molecules(monomers)by covalent bond formation.
Question 2
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One of the statements below is not true for the classification of polymers can be classified on the basis of their

A
resistance to different agents

B
mode of polymerisation

C
structure of the polymers

D
unique mechanical properties

Solution

Polymer cannot be classified on the basis of their resistance to different agents.
Question 3
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Identify the type of polymer. —A —B —B —A —A —A —B —A —

A
Homopolymer

B
Condensation polymer

C
Cross –linked polymer

D
Copolymer

Solution

This is copolymer is polymer made up of different monomers.
Question 4
1 / -0.25

Which of the following polymers have tetrafluoroethene monomer units?

A
Polystyrene

B
Acrilan

C
Nylon

D
Teflon

Solution

Teflon has CF₂ =CF₂ as monomer unit.
Question 5
1 / -0.25

Cellulose acetate (rayon) and cellulose nitrate are __________ polymers

A
Natural polymers

B
Semi –synthetic polymers

C
Synthetic polymers

D
Linear polymers

Solution

It is semi synthetic polymer.
Question 6
1 / -0.25

One of the following rubbers is used in making oil seals, tank lining, etc.

A
Buna –S

B
Neoprene

C
Buna –N

D
None of these

Solution

Buna N is used in making oil seals , tank linings.
Question 7
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Which of the following polymer can be formed by using the monomer unit represented below?

A
Nylon 2 –nylon 6

B
Nylon 6

C
Nylon –6, 6

D
Melamine polymer

Solution

Nylon –6, 6 Caprolactum is monomer of nylon 6.
Question 8
1 / -0.25

Which branched chain isomer of the hydrocarbon with molecular mass 72u gives only one isomer of mono substituted alkyl halide?

A
Tertiary butyl chloride

B
Isohexane

C
Neohexane

D
Neopentane

Solution

Since we are getting monosubstituted alkyl halide so it is neopentane.
Question 9
1 / -0.25

Polythene is not one of the following?

A
Branched chain polymers

B
Semi –synthetic polymer

C
Linear polymer

D
Synthetic polymer

Solution

Polymer is not semi synthetic. It is synthetic.
Question 10
1 / -0.25

Melamine is

A
Linear polymer

B
Cross linked polymer

C
Semi –synthetic polymer

D
Branched chain polymers

Solution

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Polymers Test - 4

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Polymers Test - 4

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Question 1

by joining of repeating structural units on a large scale

the molecules in C are linked to each other by covalent bonds

The repeating structural units are derived from some simple and reactive molecules

All of these

Solution

Question 2

resistance to different agents

mode of polymerisation

structure of the polymers

unique mechanical properties

Solution

Question 3

Homopolymer

Condensation polymer

Cross –linked polymer

Copolymer

Solution

Question 4

Polystyrene

Acrilan

Nylon

Teflon

Solution

Question 5

Natural polymers

Semi –synthetic polymers

Synthetic polymers

Linear polymers

Solution

Question 6

Buna –S

Neoprene

Buna –N

None of these

Solution

Question 7

Nylon 2 –nylon 6

Nylon 6

Nylon –6, 6

Melamine polymer

Solution

Question 8

Tertiary butyl chloride

Isohexane

Neohexane

Neopentane

Solution

Question 9

Branched chain polymers

Semi –synthetic polymer

Linear polymer

Synthetic polymer

Solution

Question 10

Linear polymer

Cross linked polymer

Semi –synthetic polymer

Branched chain polymers

Solution

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