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What is the use of alum for purification...

What is the use of alum for purification of water?

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UNITED BOOK HOUSE-SET-10-Exercsie
  1. Name one salt which is used in salt bridge.

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  2. Write Nernst equation for electromotive force for Galvanic cell.

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  3. What is the use of alum for purification of water?

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  4. Calculate the spin only magnetic moment of Fe^(2+) ion.

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  5. State one use of Tantalum.

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  6. Name one antibiotic drug.

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  7. Calculate the depression of freezing point of water when 1.8 gm glucos...

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  8. Calculate the osmotic pressure of a soln in which 15 gm urea is dissol...

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  9. What is physical adsorption? What is change of entropy in the process ...

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  10. How do size of particles of adsorbent, pressure of gas and prevailing ...

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  11. Why the melting point of bismuth is less than that of As?

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  12. Why the bond dissociation enthalpy of F2 is less than that of Cl2.

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  13. What is meridional isomer? Give example.

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  14. What is co-polymer? Give example.

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  15. Calculate the edge length of body centred cubic lattice having density...

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

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

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

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

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

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