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What is vulcanisation of rubber?...

What is vulcanisation of rubber?

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The process of heating matural rubber with sulphur at 373 to 415 K to increase hardness and water absorption capacity of rubber, is know as Vulcanization.
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(a) Name the monomers used in the preparation of Nylon 6,6. (b) Explain Vulcanization of rubber. c) Give an example for biodegradable polymer.

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OSWAAL PUBLICATION-SOLVED PAPER II PUC JULY - 2016-PART -E
  1. Explain S(N)2 mechanism taking an example of chloromethane.

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  2. Write the general equation for the reaction of primary alcohol with SO...

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  3. CH(3)Br + AgF rarr CH(3)F + AgBr. Name the reaction.

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  4. p-dichlorobenzene has higher melting point than those of ortho and met...

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  5. i) Identifiy 'A' and 'B' in the following equations. CH(3)-CH=CH(2) ...

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  6. What is Lucas reagent ? How it is used to identify secondary alcohols?

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  7. Explain Williamson's ether synthesis.

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  8. i) How does benzaldehyde reacts with acetophenone in presence of a dil...

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  9. i) How does benzaldehyde reacts with acetophenone in presence of a dil...

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  10. Among formic acid and acetic acid, which is more acidic ? Give reason...

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  11. i) Explain the reduction of nitrocompounds to amines with an examples....

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  12. i) Explain the reduction of nitrocompounds to amines with an examples....

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  13. How is aniline converted in phenyl isocyanide ? Write the equation.

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  14. Write Haworth structure for maltose.

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  15. What is nucleoside?

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  16. What are fibrous proteins Give an example .

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  17. Name the monomers usedl in the manufacture of Nylon-6, 6.

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  18. What is vulcanisation of rubber?

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  19. Give an example for biodegradable polymer.

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