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Write the principles for the estimation ...

Write the principles for the estimation of nitrogen by Kjeldahl's method.

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SUBHASH PUBLICATION-SUPER MODEL QUESTION PAPER (FOR PRACTICE)-PART-D
  1. Explain the structure of diborane molecule.

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  2. Why does BF(3) behaves as Lewis acid?

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  3. Write the principles for the estimation of nitrogen by Kjeldahl's meth...

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  4. What are carbonions? How are they formed?

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  5. A plastic jug contains 3.5 liters of milk. Calculate the volume of mil...

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  6. How many moles of methane is required to produce 88 g of CO(2) after c...

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  7. Define empirical formula.

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  8. State the three postulates of Bohr's theory of hydrogen atom.

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  9. State Pauli's exclusion principle. Give the possible values of l for n...

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  10. State Dalton's law of partial presuures.

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  11. Hydrogen gas at room temperature occupies a volume of 4.47 litres at 1...

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  12. Write ideal gas equation for one mole of gas.

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  13. Calculate the solubility of PbSO(4) where solubility is 4.6xx10^(-14).

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  14. Calculate the pH of 1 molar sulphuric acid.

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  15. What are Lewis acid?

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  16. Define Le-Chatelier's principle.

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  17. Calculate the equilibrium cosntant (K(c)) for formation of ammonia fro...

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  18. Write the chemical composition of slaked lime and plaster of paris.

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  19. Write the equations during the preparation of sodium carbonate by solv...

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  20. Define inductive effect. Give an example for a group which is electron...

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