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Name one metal which is refined by Van A...

Name one metal which is refined by Van Arkel method?

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Name two metals which are used for reduction in metallurgical process. Give one chemical equation for each.

ASSAM ACADEMIC CENTRE-EXAM PAPER 2012-Example
  1. How is 'cast iron' different from pig iron?

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  2. Name the common elements present in the anode mud in electrolyte refin...

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  3. Name one metal which is refined by Van Arkel method?

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  4. Write the chemical equations for the following processes: Chlorine is ...

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  5. Write the chemical equations for the following processes: orthophospho...

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  6. Mention two uses of H2SO4.

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  7. Compare the chemistry of Actinoids with that of the Lanthanoids with s...

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  8. Compare the chemistry of Actinoids with that of the Lanthanoids with s...

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  9. Compare the chemistry of Actinoids with that of the Lanthanoids with s...

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  10. Zn^(2+) salts are colourless while Cu^(2+) salts are coloured. Give re...

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  11. Complete the following reaction equation: Cr2O7^(2-) + Sn^2 + H^+ rarr

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  12. Complete the following reaction equation: MnO4^(-) + Fe^(2+) + H^+ rar...

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  13. Write one general method for the preparation of the following class of...

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  14. Complete and name the following reactions: RNH2 + CHCl3 + KOH(alc) rar...

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  15. Complete and name the following reactions: RCONH2 + Br2 + NaOH rarr

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  16. Give reasons why the aromatic amines are weaker bases than aliphatic a...

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  17. What do you mean by Zwitter ion?

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  18. What are essential and non-essential amino acids? Give one example of ...

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  19. The rate constant of a reaction is 3xx10^2 min^-1. What is the order o...

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  20. The concentration of a solution having concentration 0.24M is reduced ...

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