EASY
JEE Main
IMPORTANT
Earn 100

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.

50% studentsanswered this correctly

Important Questions on Polymers

EASY
JEE Main
IMPORTANT
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?
EASY
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
EASY
JEE Main
IMPORTANT
Chemistry Crash Course JEE Main>Chapter 18 - Polymers>Level 1>Q 20

Question Image

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

EASY
JEE Main
IMPORTANT
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? 
EASY
JEE Main
IMPORTANT
Chemistry Crash Course JEE Main>Chapter 18 - Polymers>Level 1>Q 22

I.  Polystyrene

II. Orlon

III. Dacron

The above polymers are classified as?

EASY
JEE Main
IMPORTANT
Chemistry Crash Course JEE Main>Chapter 18 - Polymers>Level 1>Q 23
Which of the following is an addition polymer?
EASY
JEE Main
IMPORTANT
Chemistry Crash Course JEE Main>Chapter 18 - Polymers>Level 1>Q 24
Acrilan is a hard, sharp and a high melting material. Which of the following represents its structure?
EASY
JEE Main
IMPORTANT
Chemistry Crash Course JEE Main>Chapter 18 - Polymers>Level 1>Q 25
Teflon is obtained by the polymerisation of: