Which of the following polymers contains $H$-bonding?

Ethylene on reaction with cold, dilute alkaline $KMnO_4$ at $273 \ K$ gives a compound '$P$'. This on polymerisation with which of the following gives dacron?

Consider the Assertion and Reason given below.
Assertion $(A):$ Ethene polymerized in the presence of Ziegler-Natta catalyst at high temperature and pressure is used to make buckets and dustbins.
Reason $(R):$ High density polymers are closely packed and are chemically inert.
Choose the correct answer from the following:

Which of the following is the monomer of $Teflon$ polymer?

The biodegradable polymer which can be produced from glycine and aminocaproic acid is

Which of the following fibres are made of polyamides?