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Mention the various stages in addition p...

Mention the various stages in addition polymerisation.

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What type of initiators are used in the cationic and anionic addition polymerisations?

Name two monomers that take part in addition polymerisation.

Why should the monomers used in addition polymerisation through free radical pathway be very pure?

What are the different ways in which addition polymerisation can take place?

What is co-polymerisation?

Define the term polymerisation.

What is step polymerisation?

Give an example of a copolymer prepared by each of the following methods: (i) addition polymerisation (ii) condensation polymerisation.

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Assertion (A): Olefinic monomers undergo addition polymerisation. Reason (R) : Polymerisation of vinyl chloride is initiated by peroxides/persulphates.

CHHAYA PUBLICATION-POLYMERS -EXERCISE
  1. Classify the following as addition and condensation polymers: nylon, s...

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  2. Why don't polymers have a sharp melting point?

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  3. Name two monomers that take part in addition polymerisation.

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  4. Mention the various stages in addition polymerisation.

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  5. Give an example each of free radical, cationic and anionic polymerisat...

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  6. How does chain initiation and chain propagation take place in free rad...

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  7. What do you mean by A-A and AA-BB polymerisation? Give an example of e...

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  8. What is copolymerisation? What is its purpose?

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  9. Give an example of a copolymer prepared by each of the following metho...

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  10. What are LDPE and HDPE? Give two uses of polyethylene.

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  11. Write the reaction for the preparation of polyethylene terephthalate. ...

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  12. Write the reaction for the preparation of glyptal. Give one of its app...

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  13. Write the reaction for the preparation of novolac. Give one use.

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  14. Write the reaction for the preparation of resole. Give one use.

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  15. What are Buna-S and Buna-N? Give their uses.

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  16. What is biodegradable polymer? Give two examples.

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  17. Write the reactions for preparation of nylon 6,6. Give two uses.

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  18. What do you mean by vulcanisation of rubber? Why is it necessary?

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  19. Why can't natural rubber be directly used?

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  20. Classify the biodegradable polymers on the basis of their origin. Give...

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