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

Identify the polymer obtained by heating $n$ moles of isobutylene with $n$ moles of isoprene at $100^{\circ} C$ in the presence of anhydrous $AlCl_{3}$.

Match $List-I$ with $List-II$.

$List-I$ (Polymer)	$List-II$ (Monomer)
$(A)$ Neoprene	$(I)$ Acrylonitrile
$(B)$ Teflon	$(II)$ Chloroprene
$(C)$ Acrilan	$(III)$ Tetrafluoroethene
$(D)$ Natural rubber	$(IV)$ Isoprene

Choose the correct answer from the options given below.

The structure given below is an example of
$I$. $A$ condensation and biodegradable polymer.
$II$. $A$ biodegradable and thermoplastic polymer.
$III$. $A$ biodegradable and thermosetting polymer.
$IV$. $A$ polyester and thermoplastic polymer.

Which of the following polymers is obtained from isoprene?

Which of the following can absorb over $90 \%$ of its own mass of water and also does not stick to wounds?