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Solution


Q.

Which statement regarding polymers is not correct    [2022]
1 Thermosetting polymers are reusable.  
2 Elastomers have polymer chains held together by weak intermolecular forces.  
3 Fibers possess high tensile strength.  
4 Thermoplastic polymers are capable of repeatedly softening and hardening on heating and cooling respectively.  

Ans.

(1)