A. Bakelite is a thermosetting polymer.
R. It can be melted again and again without any change.

Both A and R are correct and R is the correct explanation of the A

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Both A and R are correct but R is not the correct explanation of the A

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A is correct but R is incorrect

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A is incorrect but R is correct

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Solution

The correct option is B A is correct but R is incorrect
Bakelite is a thermosetting polymer which are cross linked or heavily branched molecules, which on heating undergo extensive cross-linking in moulds and again become infusible. This can not be reused means it can't regain their original shape after melting.

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