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
Which one of the following compounds is used to obtain polymer teflon?
Difluoro ethane
Monofluoro ethane
Tetrafluoro ethene
None of the above
Isoprene is a valuable substance for making
propene
liqmd fuel
synthetic rubber
petrol
C.
synthetic rubber
Isoprene is a valuable substance for making synthetic rubber.
nCH2=C(CH3)-CH=CH2 → [CH2-C(CH3)=CHCH2-]n