Answer:
(i)
Difference between Buna-N and Buna-S
(ii) (a) Buna-S <
polythene < nylon-66 [1]
(b) Neoprene
< polyvinyl chloride < nylon-6 [1]
Buna-N
Buna-S
Monomers
Vinyl cyanide and 1, 3-buta-diene
Elastiomers
Monomers
Styrene and 1,3-buta-diene
Elastiomers
You need to login to perform this action.
You will be redirected in
3 sec