Q. Phenol-formaldehyde resins are obtained from phenol and formaldehyde by
A) Addition polymerization
B) Condensation polymerization
C) Copolymerization
D) Both(b) and (c)
Explanation
The correct answer is Option D: Both(b) and (c).
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.