NEET Polymers PYQ practice sheet

4 previous-year NEET Chemistry questions from Polymers, newest papers first. Polymers carries 4 of the Chemistry questions in NEET 2020 to 2026, so this is a good place to test yourself after revising the chapter. Marking: +4 correct, −1 wrong.

1. 1.

   NEET 2023

   Which amongst the following molecules on polymerization produces neoprene?

   • (A)
     $\mathrm{H_2C{=}C(CH_3){-}CH{=}CH_2}$
   • (B)
     $\mathrm{H_2C{=}CH{-}CH{=}CH_2}$
   • (C)
     $\mathrm{H_2C{=}C(Cl){-}CH{=}CH_2}$
   • (D)
     $\mathrm{H_2C{=}CH{-}C{\equiv}CH}$
2. 2.

   NEET 2022

   Which statement regarding polymers is not correct?

   • (A)
     Thermosetting polymers are reusable.
   • (B)
     Elastomers have polymer chains held together by weak intermolecular forces.
   • (C)
     Fibers possess high tensile strength.
   • (D)
     Thermoplastic polymers are capable of repeatedly softening and hardening on heating and cooling respectively.
3. 3.

   NEET 2021

   Which one of the following polymers is prepared by addition polymerisation ?

   • (A)
     Teflon
   • (B)
     Nylon-66
   • (C)
     Novolac
   • (D)
     Dacron
4. 4.

   NEET 2020

   Which of the following is a natural polymer?

   • (A)
     cis-1,4-polyisoprene
   • (B)
     poly (Butadiene-styrene)
   • (C)
     polybutadiene
   • (D)
     poly (Butadiene-acrylonitrile)