Identify the polymer used to obtain disposable cups and plates.

$A$ polymer sample contains $3$ molecules of molar mass $10^3$,$3$ molecules of molar mass $500$,and $4$ molecules of molar mass $200$. What is its weight average molecular mass?

The $X$ formed in the following reaction sequence and its structural type are respectively:

The degree of crystallinity of which of the following is highest?

Which factor imparts crystalline nature to a polymer like nylon?

The condensation reaction of hexamethylenediamine and adipic acid at $553 \ K$ under a nitrogen atmosphere for $4$ to $5$ hours yields which of the following products?