Synthetic rubber is made by polymerization of 

elite_edu90@yahoo. com

12 years ago

A is the ansa because 2 methyl buta 1,3 diene is the polymer of synthetic rubber. its can otherwise call isoprene!

Ebube

2 years ago

I'm tired of JAMB and their wrong questions
It is the monomer of natural rubber that would give 2 methylbuta1,3diene (neoprene)
The monomer of synthetic rubber would give
2 chlorobuta1,3diene (isoprene)

emma_0_0_8

1 year ago

natural rubber is isoprene it is synthetic that's neoprene

zealot_morage

3 months ago

no explanation provided