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Which of the following is a natural polymer?

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Important Questions on Polymers

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JEE Main
IMPORTANT
Chemistry Crash Course JEE Main>Chapter 18 - Polymers>Level 1>Q 14
Natural rubber is a
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JEE Main
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Chemistry Crash Course JEE Main>Chapter 18 - Polymers>Level 1>Q 15

Among: 

(a) Proteins 

(b) Starch 

(c) Nucleic acid

Which of these are natural polymers? 

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JEE Main
IMPORTANT
Chemistry Crash Course JEE Main>Chapter 18 - Polymers>Level 1>Q 16
A type of polymer is generally formed from bifunctional and trifunctional monomer and contains strong covalent bonds between various polymer chains. The polymer may structurally be?
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JEE Main
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Chemistry Crash Course JEE Main>Chapter 18 - Polymers>Level 1>Q 17

Which of the following are characteristics of thermosetting polymers?

(a) Heavily branched cross-linked polymers.

(b) Linear, slightly branched long chain molecules.

(c) Become infusible on moulding, so, cannot be reused.

(d) Soften on heating and harden on cooling, can be reused.

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JEE Main
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Chemistry Crash Course JEE Main>Chapter 18 - Polymers>Level 1>Q 18
The plastics that are hard, become soft and readily workable by addition of certain compound called?
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JEE Main
IMPORTANT
Chemistry Crash Course JEE Main>Chapter 18 - Polymers>Level 1>Q 19

Match the entry in Column I with its corresponding entry in Column II.

Column I Column II
(a) Natural polymer (i) Viscose rayon
(b) Addition polymer (ii) Bakelite
(c) Copolymer (iii) Wool
(d) Semi synthetic polymer (iv) Polypropylene
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JEE Main
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Chemistry Crash Course JEE Main>Chapter 18 - Polymers>Level 1>Q 20

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The polymer with the above repeating unit is a/an:

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JEE Main
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Chemistry Crash Course JEE Main>Chapter 18 - Polymers>Level 1>Q 21
Which one of the following polymers is an example of a condensation polymer?