Civil Engineering - Building Materials - Discussion

8. 

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.

Answer: Option E

Explanation:

No answer description available for this question.

Praveen Thakur said: (Oct 18, 2018)  
What is phenol? Please explain the answer.

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