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To have practical applications why are c...

To have practical applications why are cross links required in rubber?

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The cross-linkages between the molecular chains of rubber increases it elasticity
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CHHAYA PUBLICATION-POLYMERS -SOLVED NCERT EXEMPLAR PROBLEMS
  1. Can nucleic acids, proteins and starch be considered as step growth po...

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  2. How is the following resin intermediate prepared and which polymer is ...

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  3. To have practical applications why are cross links required in rubber?

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  4. Why does cis-polyisoprene possess elastic property?

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  5. What is the structural difference between HOP and LDP? How does the st...

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  6. What is the role of benzoyl peroxide in addition polymerisation of alk...

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  7. Which factor imparts crystalline nature to a polymer like nylon?

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  8. Name the polymers used in laminated sheets and give the name of monome...

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  9. Which type of biomolecules have some structural similarity with synthe...

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  10. Why should the monomers used in addition polymerisation through free r...

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  11. Assertion (A): Rayon is a semi synthetic polymer and is taken as a bet...

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  12. Assertion (A): Most of the synthetic polymers are not biodegradable....

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  13. Assertion (A): Olefinic monomers undergo addition polymerisation. R...

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  14. Assertion (A): Polyamides are best used as fibres because of high tens...

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  15. Assertion (A): For making rubber synthetically, isoprene molecules are...

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  16. Assertion (A): Network polymers are thermosetting. Reason (R) : Net...

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  17. Assertion (A): Polytetrafluoroethylene is used in making non-stick coo...

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  18. Synthetic polymers do not degrade in the environment for a long time. ...

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  19. Differentiate between rubbers and plastics on the basis of intermolecu...

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  20. Phenol and formaldehyde undergo condensation to give a polymer (A) whi...

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