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Pick up the correct statement from the following:
The phenol is carbolic acid
The phenol is either extracted from coal-tar or prepared from benzene
Phenol reacts with formaldehyde, to form phenol formaldehyde resin
The plastics prepared from phenol-formaldehyde are used for paints, varnishes, w.c. seats
All the above.
Correct Answer:
All the above.
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