Which of the following is currently used for the manufacture of tyre cords?

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.

On complete hydrogenation,natural rubber produces

Which of the following is an organo silicon polymer?

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

The monomer of Teflon is :-