_ In step growth polymerisation, generally only one type of reaction & – McqOptions

MCQOPTIONS

1.	_ In step growth polymerisation, generally only one type of reaction & some basic mechanism is involved. Step growth polymerisation reaction is not involved in the manufacture of$?
A.	Cross linked polystyrene
B.	Phenol formaldehyde resins
C.	Polyesters
D.	Polyamides
Answer» B. Phenol formaldehyde resins

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