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The steps of a free radical chain polymerisation are initiation, propagation and

  • A.termination
  • B.condensation
  • C.hydrolysis
  • D.vulcanisation

Answer: A

Termination occurs when two radicals combine or one abstracts a hydrogen from another chain, killing both growing ends. A chain transfer agent can also end a chain while starting a new one, which lowers the molecular mass without slowing the reaction.

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