The polymer obtained from the following reaction is:

What are the compounds used to obtain nylon salt?

When the condensation product of hexamethylenediamine and adipic acid is heated to $553 \ K \ (280^\circ C)$ in an atmosphere of nitrogen for about $4-5$ hours,the product obtained is

When ethene is heated at $400\,^oC$ under high pressure,the product is/are:

The polymer $X$ consists of linear molecules and is closely packed. It is prepared in the presence of triethylaluminium and titanium tetrachloride under low pressure. The polymer $X$ is -

The monomer of Neoprene is $...$.