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What is the purpose of vulcanisation of ...

What is the purpose of vulcanisation of rubber?

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USHA PUBLICATION-POLYMERS AND CHEMISTRY IN EVERYDAY LIFE -EXERCISE
  1. What happens when bromine solution in water is added to aniline ?

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  2. Give a chemical test to distinguish between ethyl amine and dimethyl a...

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  3. What is the purpose of vulcanisation of rubber?

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  4. What is antibiotic ? Give one example .

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  5. Essential: non-essential amino acid is

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  6. What are addition and condensation polymerisation? Give one example of...

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  7. Write the structureal and functional difference between RNA and DNA.

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  8. Write the monomers of the following : acrilan, Dacron, Neoprene

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  9. Name the sources and deficiency disease of the following vitamins - Vi...

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  10. What do you mean by nucleotides and nucleoside ?

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  11. Write notes on Gabriel phthalimide synthesis.

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  12. What are the different types of carbohydrates? Give one example of eac...

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  13. What is coupling reaction ? Give an example.

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  14. How can benzene diazonium chloride be prepared form nitrobenzene ?

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  15. Give one methods of preparation of benzene diazonium chloride. Write i...

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  16. Write a method for the preparation of benzoic acid from benzoyl chlor...

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  17. Write short notes on: Proteins

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  18. Write short notes on: Vitamins

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  19. Write short notes on: Thermoplastic and thermosetting polymers

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  20. How can you get ethyl amine from acetamide ?

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