Polymers Test

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Polymers Test - 5

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Weekly Quiz Competition

Question 1
1 / -0

Which of the following is a natural polymer?

A
Bakelite

B
Nylon

C
Protein

D
PVC

Solution

Protein is a natural polymer.
Question 2
1 / -0

Which of the following polymers is an example of a branched chain polymer?

A
Starch

B
Polyethylene

C
DNA

D
Bakelite

Solution

Starch is an example of a branched chain polymer in which the monomers are joined to form long chains with side chains or branches of different lengths.

Question 3

1 / -0

Match the following:

Column – I	Column – II
(A) Natural rubber	(a) Trans-polyisoprene molecule
(B) Vulcanisation	(b) Mercaptobenzothiazole
(C) High density polythene (HDPE)	(c) Zeigler–Natta catalyst
(D) Gutta-percha	(d) Cis-polyisoprene molecule

(A) – (d), (B) – (b), (C) – (c), (D) – (a)

(A) – (a), (B) – (c), (C) – (b), (D) – (d)

(A) – (c), (B) – (d), (C) – (a), (D) – (b)

(A) – (c), (B) – (a), (C) – (d), (D) – (b)

Solution

(A) Natural rubber is a cis-polyisoprene molecule.
So, (A) – (d).
(B) Vulcanisation was introduced by Charles Goodyear. Mercaptobenzothiazole and zinc oxide are used in it.
Thus, (B) – (b).
(D) High density polythene is prepared using Zeigler–Natta catalyst.
So, (C) – (c).
(D) Gutta-percha is a trans-polyisoprene molecule.
Thus, (D) – (a).

Question 4
1 / -0

Which of the following orders is true regarding intermolecular forces of attraction?

A
Thermoplastics > Elastomers > Fibres

B
Thermoplastics > Fibres > Elastomers

C
Fibres > Thermoplastics > Elastomers

D
Elastomers > Thermoplastics > Fibres

Solution

Based on intermolecular forces of attraction, the polymers may be classified as:
Elastomers, Thermoplastics, Thermosetting plastics and Fibres.

Intermolecular forces of attraction are very strong in fibres, very weak in elastomers. The polymers in the increasing order of the forces of attraction are:
Elastomers < Thermoplastics < Fibres < Thermosetting plastics
Question 5
1 / -0

Nylon 66 is a condensation polymer of hexamethylenediamine and

A
adipic acid

B
sebacic acid

C
terephthalic acid

D
sulphuric acid

Solution

This option is correct as nylon 66 is a condensation polymer of hexamethylenediamine and adipic acid.
Question 6
1 / -0

Which of the following polymers has amide linkages?

A
Nylon

B
PVC

C
Terylene

D
Bakelite

Solution

Nylon has amide linkages.

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Polymers Test - 5

Result

Polymers Test - 5

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Question 1

Bakelite

Nylon

Protein

PVC

Solution

Question 2

Starch

Polyethylene

DNA

Bakelite

Solution

Question 3

(A) – (d), (B) – (b), (C) – (c), (D) – (a)

(A) – (a), (B) – (c), (C) – (b), (D) – (d)

(A) – (c), (B) – (d), (C) – (a), (D) – (b)

(A) – (c), (B) – (a), (C) – (d), (D) – (b)

Solution

Question 4

Thermoplastics > Elastomers > Fibres

Thermoplastics > Fibres > Elastomers

Fibres > Thermoplastics > Elastomers

Elastomers > Thermoplastics > Fibres

Solution

Question 5

adipic acid

sebacic acid

terephthalic acid

sulphuric acid

Solution

Question 6

Nylon

PVC

Terylene

Bakelite

Solution

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