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Assertion (A) Rayon is a semisynthetic p...

Assertion (A) Rayon is a semisynthetic polymer and is taken as a better choice than cotton fabric.
Reason (R ) Mechanical and aesthetic properties of cellulose can be improved by Acetylation

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B
Reason is the correct explanation for assertion
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Assertion (A) Rayon is a semisynthetic polymer and is taken as a better choice than cotton fabric. Reason (R ) Rayon is a semisynthetic polymer and is taken as a better choice than cotton fabric Reason (R ) Mechanical and aesthetic properties of cellulose can be improved by Acetylation

Assertion : Cellulose acetate is a semisynthetic polymer. Reason : Chemical name of cellulose acetate polymer is rayon.

DINESH PUBLICATION-POLYMERS-Multiple choice question
  1. Match materials given in column I with the polymers given in column II

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  2. Match the polymers given in column I with their repeating units given ...

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  3. Assertion (A) Rayon is a semisynthetic polymer and is taken as a bette...

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  4. Assertion (A) Most of the synthetic polymers are not biodegradable R...

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  5. Assertion (A) Olefinic monomers undergo addition polymerisation Reas...

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  6. Assertion (A) Polyamides are best used fas fibres because of high tens...

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  7. Assertion (A) For making rubber synthetically isoprene molecules are p...

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  8. Assertion (A) Network polymers are thermosetting Reason (R ) Network...

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  9. Assertion (A) Polytetrafluorothene is used in making non stick cookwar...

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  10. Nylon-6 is made from

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  11. Which is used for the formation of nylon-66 ?

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  12. F(2)C = CF(2) is a monomer of

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  13. Soft drinks and baby feeding bottles are generally made up of:

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  14. Which of the following are not correclty matched ?

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  15. Which of the following has ester linkage ?

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  16. A condensation polymer among the following polymer is

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  17. Nylon-6 is :

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  18. Teflon is a polymer of:

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  19. Which of the following is used in tyre cords ?

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  20. Acrilan is a hard, horny and a high melting matrial. Which of the foll...

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