A) Bakelite
B) Asbestos
C) Polyacrylaldehyde
D) Polyester
Correct Answer: A
Solution :
When phenol and formaldehyde react in presence of dilute alkali, p-hydroxybenzyl alcohol is obtained as a major product. .On further heating for some time, a cross-linked polymer, called phenol-formaldehyde resin or bakelite is formed.
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