(A) The polymer used to obtain oil seals is $Buna-N$ (also known as $NBR$ or Nitrile rubber). However,among the given options,$Teflon$ $(PTFE)$ is wid

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(A) The polymer used to obtain oil seals is $Buna-N$ (also known as $NBR$ or Nitrile rubber). However,among the given options,$Teflon$ $(PTFE)$ is widely used for gaskets and seals due to its chemical inertness and high thermal resistance. In many standard chemistry contexts,$Teflon$ is the intended answer for applications involving seals in harsh environments.

Class 12 Chemistry Polymers Composition, Properties and Uses of Polymer

Easy

Which of the following polymers is used to obtain oil seals?

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A
Teflon
B
Dacron
C
Nylon $6$
D
$LDP$

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Class 12 Questions

Class 12

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Chapter

Polymers

Subtopic

Composition, Properties and Uses of Polymer

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Match the polymer in Column-$I$ to the monomer from Column-$II$ and assign the correct code.
Column-$I$ (Polymer) Column-$II$ (Monomer)
$(a)$ Nylon-$6$ $(i)$ Ethylene glycol,terephthalic acid
$(b)$ Dacron $(ii)$ Urea,formaldehyde
$(c)$ Glyptal $(iii)$ Ethylene glycol,phthalic acid
$(d)$ Novolac $(iv)$ Phenol,formaldehyde
$ $ $(v)$ Caprolactam

Code:
$(a) \quad (b) \quad (c) \quad (d)$

Column-$I$ (Polymer)	Column-$II$ (Monomer)
$(a)$ Nylon-$6$	$(i)$ Ethylene glycol,terephthalic acid
$(b)$ Dacron	$(ii)$ Urea,formaldehyde
$(c)$ Glyptal	$(iii)$ Ethylene glycol,phthalic acid
$(d)$ Novolac	$(iv)$ Phenol,formaldehyde
$ $	$(v)$ Caprolactam