Which of the following is an example of a thermosetting polymer?

Name the polymer used in laminating sheets and give the name of monomeric units involved in its formation.

Match the following:

Column-$A$	Column-$B$
$a.$ Nylon-$6$	$I.$ Natural Rubber
$b.$ Vulcanized Rubber	$II.$ Cross Linked
$c.$ cis-$1,4$-polyisoprene	$III.$ Caprolactam
$d.$ Polychloroprene	$IV.$ Neoprene

Choose the correct answer from the options given below:

Which of the following polymers contains an ester linkage?

What is the polymer of prop-$2$-enenitrile called?

The number average molecular mass of a polymer that contains $15$ molecules with each of mass $8,000$ and $15$ molecules with each of mass $80,000$ is: (in $,000$)