Which of the following statements is not true | vedclass

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(A) The statement $(A)$ is not true.Chain growth polymerisation (or addition polymerisation) involves both homopolymerisation and copolymerisation.For

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Chain growth polymerisation involves homopolymerisation only

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(A) The statement $(A)$ is not true.Chain growth polymerisation (or addition polymerisation) involves both homopolymerisation and copolymerisation.For example,the polymerisation of ethene is homopolymerisation,while the polymerisation of a mixture of ethene and propene is copolymerisation.Nylon $6$ is indeed formed by the ring-opening polymerisation of caprolactam,which is a type of step-growth polymerisation.Step-growth polymerisation typically requires bifunctional monomers to form long chains.

List-$I$ (Polymers)	List-$II$ (Type)
$A$. Buna-$N$-Rubber	$I$. Fibre
$B$. Terylene	$II$. Thermosetting polymer
$C$. Polystyrene	$III$. Elastomer
$D$. Urea-Formaldehyde resin	$IV$. Thermoplastic polymer

Which of the following statements is not true?

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Match the following:

List-$I$ (Polymers) List-$II$ (Type)

$A$. Buna-$N$-Rubber $I$. Fibre

$B$. Terylene $II$. Thermosetting polymer

$C$. Polystyrene $III$. Elastomer

$D$. Urea-Formaldehyde resin $IV$. Thermoplastic polymer

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