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How is low density polyethylene synthesi...

How is low density polyethylene synthesized ? Give one important use,

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It is manufactured by heating ethylene (350- 570 K) and at a pressure of 1000-2000 atmosphere in presence of traces of oxygen /peroxide.

Use : It is used as a packaging material
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OMEGA PUBLICATION-POLYMERS -QUESTIONS
  1. Define and explain the Fibres.

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  2. How is high density polythene synthesised ? Give one important use.

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  3. How is low density polyethylene synthesized ? Give one important use,

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  4. Write two differences between natural and synthetic polymers.

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  5. How is polyethene prepared ?

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  6. Distinguish between homopolymers and copolymers with example for each.

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  7. Give the chemical name of teflon.

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  8. Write two differences between addition and condensation polymerisation...

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  9. Explain the following terms : Chain growth polymersation.

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  10. Explain the following terms with example : Natural polymers.

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  11. Write the chemical equation for the preparation of polyethene.

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  12. How is PVC manufactured ? Give its uses.

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  13. Give the synthesis of following polymers. Nylon -66

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  14. Give the synthesis of following polymers. Orlon or PAN

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  15. Give the synthesis of following polymers. Nylon -66

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  16. Give the preparation of Telfon.

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  17. Write the name and structure of monomers of the following polymers : T...

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  18. Write the name and structure of monomers of the following polymers : N...

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  19. Write the name and structure of monomers of the following polymers : D...

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  20. What are copolymers? Give the chemical equation for the preparation D...

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