Which of the following is used to manufacture plastic crockery?

Which of the following sets are correct regarding polymers?
$A$. Copolymer : $\text{Buna-}S$
$B$. Condensation polymer : $\text{Nylon-}6,6$
$C$. Fibre : $\text{Nylon-}6,6$
$D$. Thermosetting polymer : $\text{Terylene}$
$E$. Homopolymer : $\text{Buna-}N$
Choose the correct answer from the options given below.

Match List-$I$ with List-$II$:

List-$I$ Polymer	List-$II$ Type/Class
$A$. Nylon-$2$-Nylon-$6$	$I$. Thermosetting Polymer
$B$. Buna-$N$	$II$. Biodegradable polymer
$C$. Urea-formaldehyde	$III$. Synthetic rubber
$D$. Dacron	$IV$. Polyester

Choose the correct answer from the options given below:

Select the biodegradable polymer.

Which of the following statements is correct about Bakelite?

What are carbon fibers used for?