Fundamentholfundamenthol
NEET2022Chemistry
Q.

Which statement regarding polymers is not correct ?

  1. A

    Fibers possess high tensile strength.

  2. B

    Thermoplastic polymers are capable of repeatedly softening and hardening on heating and cooling respectively.

  3. C

    Thermosetting polymers are reusable.

  4. D

    Elastomers have polymer chains held together by weak intermolecular forces.

Solution

Thermosetting polymers undergo extensive cross-linking on heating, which makes the network permanent.

Once set, they cannot be remelted or remoulded, so they are not reusable.

The other three statements are accurate descriptions of fibres, thermoplastics, and elastomers.

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