Year: 2022
Topic: Chemistry-Out Of Syllabus
Time :
1.
Which statement regarding polymers isnot correct?
(1). Elastomers have polymer chains held togetherby weak intermolecular forces
(2). Fibers possess high tensile strength
(3). Thermoplastic polymers are capable of repeatedly softening and hardening on heating and cooling respectively
(4). Thermosetting polymers are reusable