Synthetic polymer bakelite can be prepared from the following compounds:

Arrange the following polymers in the decreasing order of their intermolecular forces:
$A$. Bakelite
$B$. Teflon
$C$. Buna-$S$
$D$. Nylon-$6,6$

Which of the following statements is false?

Which of the following statements are correct?
$(1)$ Biodegradable polymers can be converted into essential life substances after degradation.
$(2)$ Non-biodegradable polymers are active towards environmental processes.
$(3)$ Non-biodegradable polymers can be converted into essential life substances.
$(4)$ $PHBV$ is degraded by bacteria under environmental conditions.

In the trinitrocellulose,each glucose unit contains how many $-OH$ groups?

Given $A = \text{Nylon-}6,6$,$B = \text{Buna-}S$,and $C = \text{Polythene}$. Arrange these polymers in the increasing order of their intermolecular forces (from weakest to strongest).