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What do you mean by Ziegler-Natta cataly...

What do you mean by Ziegler-Natta catalyst? What is it used for?

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CHHAYA PUBLICATION-POLYMERS -QUESTION-ANSWER ZONE FOR BOARD EXAMINATION
  1. All polymers are macromolecules but all macromolecules are not polymer...

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  2. Why are solutions of polymers more viscous than normal solutions?

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  3. What do you mean by Ziegler-Natta catalyst? What is it used for?

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  4. What do 6 in nylon 6 and 6 and 10 in nylon 6, 10 indicate?

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  5. What is addition polymerisation? Mention its types.

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  6. Explain the chain initiation and chain propagation of free radical pol...

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  7. Explain the chain initiation and chain propagation of cationic polymer...

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  8. Name any two monomers that talce part in anionic polymerisation. Why i...

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  9. Explain whether homopolymers an be prepared both addition and condensa...

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  10. What is copolymerisation? What is its purpose?

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  11. How are high density and low density polyethylenes (LDPE and HDPE) pre...

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  12. Write the reaction for the preparation of polyethylene terephthalate (...

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  13. Write the reaction for the preparation of glyptal. Mention two of its ...

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  14. Why is it important to vulcanise natural rubber?

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  15. Name the monomer of nylon-6. Mention its uses.

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  16. Distinguish between addition and condensation polymerisation.

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  17. What is degree of polymerisation ?

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  18. Explain the ways ln which chain termination occurs in free radical pol...

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  19. Distinguish between natural and vulcanised rubber.

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  20. Name the monomer of melamine formaldehyde polymer. Write its uses.

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