61.

Monomer of polythene is

• ethylene

• propylene

• vinyl chloride

• None of the above

Nylon obtained by the condensation of adipic acid with hexamethylene diamine

• nylon 6, 6

• nylon 7, 6

• nylon 6, 5

• nylon 9, 7

Polymerisation in which two or more chemically different monomers take part, is called

• addition polymerisation

• co-polymerisation

• chain polymerisation

• homo polymerisation

Strach is the polymer of

• glucose

• fructose

• both (a) and (b)

• None of these

Polythene is an addition polymer of

• methane

• ethane

• ethylene

• acetylene

Nylon is a

• polyamide

• polyester

• polyethylene

• polypropylene

Which one of the following compounds is used to obtain polymer teflon?

• Difluoro ethane

• Monofluoro ethane

• Tetrafluoro ethene

• None of the above

[-NH(CH₂)₆NHCO(CH₂)₄CO-]_n is a

• addition polymer

• thermosetting polymer

• homopolymer

• copolymer

Isoprene is a valuable substance for making

• propene

• liqmd fuel

• synthetic rubber

• petrol

Nylon-6 is made from

• 1, 3-butadiene

• chloroprene

• adipic acid

• caprolactum