Which of the following statements is incorrec | vedclass

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(C) $1$. Butyl rubber is a copolymer of isobutylene and a small amount of isoprene,and it is generally considered a linear or slightly branched elasto

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Dextron is a biodegradable polymer of the polyamide class.

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(C) $1$. Butyl rubber is a copolymer of isobutylene and a small amount of isoprene,and it is generally considered a linear or slightly branched elastomer.$2$. Dacron (also known as Terylene) is a copolymer formed by the condensation of ethylene glycol and terephthalic acid.$3$. Dextron (or Dextran) is a polysaccharide,not a polyamide. Polyamides are polymers containing amide linkages (e.g.,Nylon-$6$,$6$).$4$. Orlon is polyacrylonitrile,which is used as a substitute for wool in synthetic textiles.Therefore,the statement that Dextron is a biodegradable polyamide is incorrect.

List-$I$ Polymer	List-$II$ Type/Class
$A$. Nylon-$2$-Nylon-$6$	$I$. Thermosetting Polymer
$B$. Buna-$N$	$II$. Biodegradable polymer
$C$. Urea-formaldehyde	$III$. Synthetic rubber
$D$. Dacron	$IV$. Polyester

Which of the following statements is incorrect?

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The process of heating rubber with sulfur is known as ...........

Novolac is ............. .

Match List-$I$ with List-$II$:

List-$I$ Polymer List-$II$ Type/Class

$A$. Nylon-$2$-Nylon-$6$ $I$. Thermosetting Polymer

$B$. Buna-$N$ $II$. Biodegradable polymer

$C$. Urea-formaldehyde $III$. Synthetic rubber

$D$. Dacron $IV$. Polyester

Choose the correct answer from the options given below:

The biodegradable polymer which can be produced from glycine and aminocaproic acid is

Which of the following statements is $NOT$ true for polymers?

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