CSIR NET Chemistry: Polymers and Biochemistry

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Multiple Choice

Which of the following statements is/are true?

  1. Intermolecular forces of attraction in nylons are dipole-dipole interactions.
  2. Vulcanization introduces hydrogen bondings between polymer chains.
  3. Dacron is a polyamide.
  4. Gutta percha and natural rubber are stereoisomers.
  5. Polypropylene, because of the presence of several chiral atoms is optically active.
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