Which among the following monomers is used to prepare Teflon?

The polymer formed by condensation polymerization is .....

The Ziegler-Natta catalyst is $....$

Which of the following reacts with phenol to produce Bakelite?

In the manufacture of polythene by the Ziegler process using ethylene,the temperature for proper polymerisation required is

Which plastic is obtained from $CHCl_3$ as follows:
$CHCl_3$ $\xrightarrow[SbF_3]{HF} X$ $\xrightarrow{800^{\circ}C} Y$ $\xrightarrow{\text{Polymerisation}} \text{Plastic}$