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What is leaching? How alumina is separat...

What is leaching? How alumina is separated from bauxite by this process?

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UNITED BOOK HOUSE-SET-10-Exercsie
  1. Calculate the edge length of body centred cubic lattice having density...

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  2. What is imperfect crystal? Give one example of metal excess lattice.

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  3. Show that for the first order reaction half life is independent of ini...

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  4. What is positive deviation of Raoult's law? What is the reason behind ...

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  5. Calculate the amount of Cu will be realised at electrode when 1.5 ampe...

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  6. What is leaching? How alumina is separated from bauxite by this proces...

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  7. Write two difference between calcination and roasting? What is thermit...

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  8. Why mercurous ion exist in Hg2^(2+) form? Why Fe^(3+) is more stable t...

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  9. Why Scandium can't form colour compound? Write the general electronic ...

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  10. How would you synthesis DDT? Mention one use of it.

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  11. Why vinyl halaide shows reluctance to nucleophiic substitution reactio...

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  12. Draw the correct structure of Phenol and Aniline

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  13. Compare the basicity of CH3NH2 & ...

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  14. What is mutarotation? What mutarotation? What type of tautomerism is i...

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  15. Show that for the Zero order reaction half line is not independent of ...

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  16. What is the unit of rate constant of n^(th) order reaction?

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  17. Explain why the catenation property of sulphur is higher than that of ...

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  18. F2 does not show any positive oxidation state. What is the basicity of...

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  19. Give example of two food preservative.

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  20. Name the carboxylic acid which has reducing property, What happens whe...

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