Polymers

Polymer used in orlon is :

Caprolactam when heated at high temperature in presence of water, gives

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The polymer \(\mathrm{X}\) - consists of linear molecules and is closely packed. It is prepared in the presence of triethylaluminium and titanium tetrachloride under low pressure. The polymer \(\mathrm{X}\) is-

Given below are two statements :
Statement I : Ethene at 333 to \(343 \mathrm{~K}\) and \(6\)-\(7\) atm pressure in the presence of \(\mathrm{AlEt}_{3}\) and \(\mathrm{TiCl}_{4}\) undergoes addition polymerization to give LDP.
Statement II ...

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Buna-S can be represented as:

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The polymer, which can be stretched and remains its original status on releasing the force is

Given below are two statements : One is labelled as Assertion A and the other is labelled as Reason R.
Assertion A : Dacron is an example of polyester polymer.
Reason R : Dacron is made up of ethylene glycol and terephthalic acid monomers.
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Which of the following is NOT a natural polymer?

Which one of the following is NOT a copolymer?

Given below are two statements, one is Assertion (A) and other is Reason (R).
Assertion (A) : Natural rubber is a linear polymer of isoprene called cis-polyisoprene with elastic properties.
Reason (R) : The cis-polyisoprene molecules consis...

Terylene polymer is obtained by condensation of :

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Which is true about Buna-N?

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Which of the following sets are correct regarding polymer?
(A) Copolymer : Buna-S
(B) Condensation polymer : Nylon-6,6
(C) Fibres : Nylon-6,6
(D) Thermosetting polymer : Terylene
(E) Homopolymer : Buna-N
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Vulcanization of rubber is carried out by heating a mixture of

The Novolac polymer has mass of 963 g. The number of monomer units present in it are

Melamine polymer is formed by the condensation of:

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Which of the following is an example of polyester?

Which of the following is not an example of a condensation polymer?

Monomer of Novolac is :

Which among the following is not a polyester?

The structure of Neoprene is :

The polymer formed on heating Novolac with formaldehyde is :

is a repeating unit for :

A biodegradable polyamide can be made from :

Which statement is correct?

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In polymer Buna-S : 'S' stands for :

Match List-I with List-II :Choose the correct answer from the options given below :

Orlon fibres are made up of :

Bakelite is a cross-linked polymer of formaldehyde and :

Monomer units of Dacron polymer are :

Which of the following polymer is used in the manufacture of wood laminates?

Which polymer has 'chiral' monomer(s) ?

Preparation of Bakelite proceeds via reactions.

Consider the Assertion and Reason given
below.
Assertion (A) : Ethene polymerized in the
presence of Ziegler Natta Catalyst at high
temperature and pressure is used to make
buckets and dustbins.
Reason (R) : High density polymers are closel...

The correct match between Item - I and Item - II
is :

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Which one of the following polymers is not obtained by condensation polymerisation?