Bakelite is formed by cross-linking one of the following:
Novolac
The explanation for the correct answer:
A) Bakelite is formed by cross-linking of novolac and formaldehyde.
The explanation for the incorrect options:
B) Buna-S is a synthetic polymer. It is made up of a combination of butadiene and styrene.
C) Dacron is a thermoplastic polymer resin that stems from polyester fiber.
D) PHBV is a thermoplastic linear aliphatic polyester. It is formed by the copolymerization of - hydroxybutanoic acid and -hydroxypentanoic acid.
Hence option(A) is correct.