Novolac is:A.linear condensation product of phenol and formaldehydeB.Cross-linked condensation product of urea and formaldehydeC.Cross-linked condensation product of phenol and formaldehydeD.linear condensation product of urea and formaldehyde
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A phenol and formaldehyde condensation reaction where Phenol (A) react... | Download Scientific Diagram
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Phenol and formaldehyde undergo condensation to give a polymer A which on heating with formaldehyde gives a thermosetting polymer B. Name the polymers. Write the reactions involved in the formation of A.