Which of the following compounds is used for the production of $Nylon-6,6$?

The polymer $(Q)$ produced in the following sequence is:
Cyclohexanone $\xrightarrow[{(ii)\,\,{H_2}SO_4\,,\,\Delta }]{{(i)\,\,NH_2 - OH}}\,P\,$ $\xrightarrow[{533\, - \,543\,\,K}]{{{H_2}O}}Q$

Which of the following can be polymerised to polythene?

The polymer formed on heating Novolac with formaldehyde is:

The major product of the following reaction is:

Which of the following polymers is obtained by the condensation polymerisation method?