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Oxygen is gas but sulphur is solid becau...

Oxygen is gas but sulphur is solid because:

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MODERN PUBLICATION-TEST PAPER 5-EXERCISE
  1. Could a co-polymer be formed by step growth or chain growth or both ?

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  2. What is "Chelate effect " ? Explain with examples .

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  3. Oxygen is gas but sulphur is solid because:

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  4. Explain pseudofirst Order reaction with an example .

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  5. What happens when ammonia gas is passed through copper sulphate soluti...

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  6. What happens when acetaldehyde and acetone are separately treated wit...

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  7. Why is NH(2) group of aniline acetylated before carrying out nitration...

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  8. What happens when formaldehyde reacts with ammonia ?

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  9. Match the following columns

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  10. Explain the Hofnann bromamide reaction with one example.

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  11. Low level of noradrenaline is the cause of depression. What type of dr...

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  12. Write notes on band theory of metals.

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  13. What is meant by abnormal molecular mass of solute?

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  14. Activation energy of a reaction is:

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  15. Write short note on Law of independent migration of ions.

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  16. Derive an expression for the rate constant of a first order reaction? ...

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  17. Discuss important of coordination compounds in boiligical system.

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  18. What are the oxoacids of nitrogen and phosphorus?

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  19. Give two methods Of preparation of acetone.

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  20. How does acetaldehyde react with (i) HCN (ii) Phenyl hydrazine (iii) ...

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