Which of the following is used for making non-stick cookware?

Identify the use of $HDP$ from the following.

Identify the monomer used to obtain a polymer that resembles wool.

Orlon is a polymer of.....

The process of vulcanisation makes rubber:

The polydispersity index of a polymer containing $10$ molecules with molecular mass $1.0 \times 10^4$ and $10$ molecules with molecular mass $1.0 \times 10^5$ is approximately.