Ethylene-propylene rubber $(EPR)$ is:

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:

Identify the correct statement from the following:
$(A)$ Glyptal is made from the monomers ethylene glycol and phthalic acid
$(B)$ Bakelite is used in making electrical switches
$(C)$ Nylon-$2$-nylon-$6$ is a biodegradable polymer

Thermosetting polymers are .........

Among cellulose,poly(vinyl chloride),nylon and natural rubber,the polymer in which the intermolecular force of attraction is weakest is

'Rayon' is