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Chemistry · PYQ NEET UG 2022

हिन्दी

Which statement regarding polymers is NOT correct? Which of the above statements is/are NOT correct?

  1. Thermoplastic polymers are capable of repeatedly softening and hardening on heating and cooling respectively.
  2. Thermosetting polymers are reusable.
  3. Elastomers have polymer chains held together by weak intermolecular forces.
  4. Fibers possess high tensile strength.

Correct answer · Option 2

Thermosetting polymers are reusable.

Explanation

Thermosetting polymers undergo extensive cross-linking and cannot be reused upon heating, making statement (2) incorrect.
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