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Give method of preparation and uses of T...

Give method of preparation and uses of Teflon or PTFE.

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Teflon is prepared by the addition polymerisation of tetrafluoroethylene units in the presence ofa peroxide.
`nCF_2 = CF_2 overset("Poly.")to underset("Teflon")([-CF_2 = CF_2])`
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OMEGA PUBLICATION-POLYMERS -QUESTIONS
  1. Give the synthesis of following polymers. Orlon or PAN

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

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  3. Give method of preparation and uses of Teflon or PTFE.

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  4. Express the following number to two significant figures : 5.602792

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

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

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

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  8. Express the following number to two significant figures : 3.3402800

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  9. Express the following into three significant figures: 6.022 (10*23)

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  10. Express the following into three significant figures: 44.216

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  11. What is vulcanization of rubber ? What are the advantages of vulcanize...

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  12. Give the preparation and one use of : Neoprene.

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  13. Give the preparation and one use of : Buna-S.

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  14. How many significant figures are in 0.0005?

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  15. Name a synthetic polymer which is an amide.

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  16. Give monomers name and preparation of Nylon 6,6.

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  17. Round off 0.1525 upto 3 significant figures:

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  18. Give monomers name and preparation of Nylon 6,6.

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  19. Why is nylon -66 so called ?

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  20. Give the chemical equation for synthesis and uses of glyptal.

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