Question
Question: Novolac on heating with formaldehyde undergoes ……. to form an infusible solid mass called …….. ....
Novolac on heating with formaldehyde undergoes ……. to form an infusible solid mass called …….. .
A
Polymerisation , melamine
B
Vulcanisations, resin
C
Cross – linking, Bakelite
D
Condensation, polystyrene
Answer
Cross – linking, Bakelite
Explanation
Solution
Novolac on heating with formaldehyde undergoes cross-linking to form Bakelite.