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JEE Main levelSingle correct optionDifficulty 2 of 3pl123

Which of the following is an addition (chain-growth) polymer formed from two different monomers?

  1. APoly(methyl methacrylate)
  2. BBuna-S
  3. CTerylene
  4. DNylon 6,6

Answer: B

Buna-S comes from buta-1,3-diene and styrene by addition. Nylon 6,6 and Terylene are condensation polymers, and PMMA is an addition homopolymer of one monomer.
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