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What is polesing power? What Shall be th...

What is polesing power? What Shall be the increasing order of polesising power of `Mg^(2+) , Na^(o+)^2 & AI^(3+)`? .

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UNITED BOOK HOUSE-MODEL QUESTION PAPER 20-EXERCISE
  1. What do you mean by electron affinity? State its change down a group.

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  2. Arrange the Cations as per increasing radius Mg(2+) , Na^(o+) &AI^(3+)...

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  3. What is polesing power? What Shall be the increasing order of polesisi...

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  4. Find the increasing order of covalent nature of AlCl3, MgCl2 and NaCl....

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  5. Define Co-efficient of Viscosity of a liquid. Write its S.I Unit.

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  6. Calculate q, w & Delta uwhen a gas is Compressed from 15 lit to 5 lit ...

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  7. Write Hess's law of constant heat summation. Write the mathematical ex...

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  8. Balance the following reaction by oxidation no method H2O + HNO2 rarr...

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  9. Balance the following reaction by oxidation no method Cu + NO ---> CuO...

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  10. Balance the following reaction by oxidation no method FeCl3+ SnCl2 ra...

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  11. State one method to remove permanent hardnessof water. Why H2S is a ga...

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  12. Why Csl is lesssoluble in water? Whatis used as anode in the extractio...

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  13. How N2 is estimated in Duma’s process.

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  14. What is self Catalysis? Write Arrheneous equ for the specific rate con...

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  15. Write ostwald dilution law 1 what is buffer solution? State with examp...

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  16. Boric acid is a weak acid, but in presence of Glycerol, it acts as a s...

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  17. State reasons :CF6^(2-) does not form but SiF6^(2-) forms write Chemic...

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  18. What happens when:LiBH4 is reacted with BF3 in dry ether medium.What i...

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  19. What happens when:CO2 gas is passed through BaO2 Suspension in water.W...

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  20. What is Ziegler natta Catalyst? State one use of it. State with exampl...

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