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Explain the difference between Buna-N an...

Explain the difference between Buna-N and Buna-S.

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Both Buna-N and Buna-S are copolymers. But the monomeric units of Buna-N are 1,3-butadiene and acrylonitrile, whereas Buna-S is obtained by the copolymerisation of 1,3-butadiene and styrene.
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CHHAYA PUBLICATION-POLYMERS -SOLVED NCERT TEXTBOOK PROBLEMS
  1. Write the names of monomers of the following polymers: [--CF2-CF2--]...

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  2. Classify the following as addition and condensation polymers: Terylene...

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  3. Explain the difference between Buna-N and Buna-S.

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  4. Arrange the following polymers in increasing order of their intermolec...

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  5. Explain the terms polymer and monomer.

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  6. What are natural and synthetic polymers? Give two examples of each ty...

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  7. Distinguish between the terms homopolymer and copolymer and give an e...

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  8. How do you explain the functionality of a monomer?

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  9. Define the term polymerisation.

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  10. is (NH-CHR-CO)n,a homopolymer ? a homopolymer or copolymer ?

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  11. In which classes, the polymers are classified on the basis of molecula...

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  12. How can you differentiate between addition and condensation polymerisa...

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  13. Explain the term copolymerisation and give two example.

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  14. Write the free radical mechanism for the polymerisation of ethene.

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  15. Define thermoplastics and thermosetting polymers with two examples of ...

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  16. Write the monomers used for getting the following polymers. (1) Polyvi...

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  17. Write the name and structure of one of the common initiators used in f...

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  18. How does the presence of double bonds in rubber molecules influence th...

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  19. Discuss the main purpose of vulcanisation of rubber

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  20. What are the monomeric repeating units of Nylon-6, and Nylon-6,6 ?

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