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Formation of nylons and polyesters are ...

Formation of nylons and polyesters are called step growth polymerisation because

A

the polymers are formed by adding a monomer step by step

B

the polymers are formed by condensation and monomers are joined by loss of simple molecules like water

C

the monomers used for condensation are unsaturated molecules

D

the polymers are formed by addition of a large number of free readicals formed by monomers .

Text Solution

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The correct Answer is:
B
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