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Building Materials

Q1: Pick up the correct statement from the following:

A The phenol is carbolic acid

B The phenol is either extracted from coal-tar or prepared from benzene

C Phenol reacts with formaldehyde, to form phenol formaldehyde resin

D The plastics prepared from phenol-formaldehyde are used for paints, varnishes, w.c. seats

E All the above.

ANS:E - All the above.

No answer description is available.



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