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Write down the name and formula of an ox...

Write down the name and formula of an oxide of a transition metal which acts as a catalyst.

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UNITED BOOK HOUSE-HIGHER SECONDARY EXAMINATION 2016-EXERCISE
  1. By what type of reaction do the common antacids destroy the excess aci...

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  2. Between Ed and Ce which one exhibits +2 oxidation state?

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  3. Write down the name and formula of an oxide of a transition metal whic...

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  4. Explain what is observed when a beam of light is passed through a coll...

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  5. Write down the relation among the conductance and specific conductance...

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  6. Write down the relation between the emf of a galvanic cell and the Gib...

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  7. Two solutions are isotonic. What is meant by the statement?

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  8. When a little amount of common salt is dissolved in water the boiing p...

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  9. Write two differences between physisorption and chemisorption.

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  10. Explain why the solid catalyst is used in a finley divided form in ca...

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  11. First ionisation enthalpies of Group 15 elements are, in general, grea...

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  12. State, with equations, what happens when SO(3) gas is passed through c...

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  13. An aqueous solution of a complex compound of formula Co(NH3)5Br(SO4) r...

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  14. Identify the two monomers in the following polymer:

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  15. What is condensation polymerisation reaction?

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  16. Silver crystallises in face centered cubic lattice. If edge length of ...

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  17. What is Schottky defect ? Find out the packing effciency in a simple c...

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  18. What is meant by the molality of a solutin?

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  19. What is meant by the molarity of a solution ? What would be the osmoti...

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  20. Arrange the following solutions in order of decreasing specific conduc...

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