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NEETChemistryPolymers

Which of the following polymers between bakelite, urea-formaldehyde resin, polythene, polyvinyls and polystyrene soften on heating and harden on cooling? What are the polymers with this property collectively called?

Options

  1. APolythene and polystyrene soften on heating and harden on cooling. Such polymers are called thermoplastic poly
  2. BPolythene, polyvinyls and polystyrene soften on heating and harden on cooling. Such polymers are called thermo
  3. CPolythene, polyvinyls and polystyrene soften on heating and harden on cooling. Such polymers are called thermo
  4. DBakelite, polyvinyls and polystyrene soften on heating and harden on cooling. Such polymers are called thermop

Correct answer

B. Polythene, polyvinyls and polystyrene soften on heating and harden on cooling. Such polymers are called thermo

Step-by-step solution

Correct Option is : (B) Polythene, polyvinyls and polystyrene soften on heating and harden on cooling. Such polymers are called thermoplastic polymers.

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