Civil Engineering - Building Materials - Discussion

Discussion Forum : Building Materials - Section 6 (Q.No. 9)
Pick up the correct statement from the following:
Melamine is obtained from calcium carbide
Formaldehyde is prepared synthetically from methane
The melamine when reacted with formaldehyde forms the melamine-formaldehyde resin
The plastics made from melamine formaldehyde resin, are used for electrical insulators
All the above.
Answer: Option
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