Pick up the correct statement from the following:

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Question:
Pick up the correct statement from the following:

1.Melamine is obtained from calcium carbide

2.Formaldehyde is prepared synthetically from methane

3.The melamine when reacted with formaldehyde forms the melamine-formaldehyde resin

4.All the above.

Posted Date:-2021-03-26 07:40:44


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