$A$ condensation polymer among the following polymers is

Identify the thermoplastic polymer from the following.

Which of the following is not a semisynthetic polymer?

Which of the following is a homopolymer?

$A$ polymer contains $50$ molecules with molecular mass $5,000$, $100$ molecules with molecular mass $10,000$ and $50$ molecules with molecular mass $15,000$. Calculate the number average molecular mass. (in $,000$)

Distinguish between the terms homopolymer and copolymer and give an example of each.