Polymers · Chemistry · TS EAMCET

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MCQ (Single Correct Answer)

1
Which one of the following is not an example of condensation polymer?
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2

What are ' $X$ ' and ' $Y$ ' respectively in the following reactions ?

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3

$\mathbf{Assertion (A)}$ Silicones are used for water proofing of fabrics.

$\mathbf{Reason (R)}$ The repeating unit in silicones is

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The correct answer is

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4

Identify the structure of the polymer 'P' formed in the given reaction

Caprolactam $\xrightarrow[\mathrm{H}_2 \mathrm{O}]{533-543 \mathrm{~K}} P$

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5
The monomer which is present in both bakelite and melamine polymers is
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6

Match the following.

List-I (Monomer/s) List-II (Name of polymer)
A. CF₂$=$CF₂ I. Neoprene
B. NH₂(CH₂)₆NH₂, HO₂C(CH₂)₄CO₂H II. Bakelite
C. C₆H₅OH₃ HCHO III. Teflon
D. CH₂$=$CH(Cl)—CH$=$CH₂ IV. Nylon 6,6

The correct answer is

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7

$$ \text { Match the following } $$

List-I
(Polymer)
List-II
(Monomers)
(A) Bakelite
(I) $$
\text { 2-methvl-1, 3-butadiene }
$$
(B) Natural rubber (II) $$
\text { Glvcine + aminocaproic acid }
$$
(C) Glyptal (III) $$
\text { Phenol + formaldehyde }
$$
(D) Nylon 2-nylon 6 (IV) $$
\text { Phthalic acid + ethylene glycol }
$$
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8
Amongst the following, how many of them come under the category of elastomers? Natural rubber, polyethene, vulcanized rubber, bakelite, polyvinylchloride, buna-N, nylon-6, neoprene
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