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Addition polymerisation differs from condensation polymerisation in that it

  • A.produces no small by-product
  • B.requires no initiator of any kind
  • C.always gives a thermoset product
  • D.works only with aromatic monomers

Answer: A

The monomer adds across a double bond and the repeat unit has the same composition as the monomer. Condensation eliminates water or a similar small molecule at each step. That by-product must be removed to drive the reaction.

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