(B) Thermosetting polymers are cross-linked polymers that become hard and infusible on heating and cannot be remolded.Examples include Bakelite and $U

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(B) Thermosetting polymers are cross-linked polymers that become hard and infusible on heating and cannot be remolded.Examples include Bakelite and $Urea-formaldehyde$ resin.Polystyrene,Terylene,and Buna-$S$ are examples of thermoplastic or elastomeric polymers.

Class 12 Chemistry Polymers Composition, Properties and Uses of Polymer

Easy

Which of the following is an example of thermosetting polymers?

A
Polystyrene
B
Urea formaldehyde
C
Terylene
D
Buna-$S$

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Class 12 Questions

Class 12

Chemistry Questions

Chapter

Polymers

Subtopic

Composition, Properties and Uses of Polymer

Identify the polymer given below:

Medium

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The synthetic rubber neoprene is a .....

Easy

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Strongest intermolecular forces are present in

Easy

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Match the following:
List-$I$ (Polymer) List-$II$ (Used in Making)
$A$. Urea-formaldehyde resin $I$. Safety Helmets
$B$. Glyptal $II$. Gaskets
$C$. Bakelite $III$. Laminated sheets
$D$. Nylon-$6,6$ $IV$. Commercial fibres
$E$. Phenol-formaldehyde $V$. Paints

Correct answer is:

List-$I$ (Polymer)	List-$II$ (Used in Making)
$A$. Urea-formaldehyde resin	$I$. Safety Helmets
$B$. Glyptal	$II$. Gaskets
$C$. Bakelite	$III$. Laminated sheets
$D$. Nylon-$6,6$	$IV$. Commercial fibres
$E$. Phenol-formaldehyde	$V$. Paints