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Compared the 2nd Ionisation enthalpies a...

Compared the 2nd Ionisation enthalpies and Hydration enthalpies of Alkali and Alkaline earth metals/ions.

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OSWAAL PUBLICATION-Sample Paper 1 -Exercise
  1. Balance the redox reaction using oxidatin numver method: MnO4^-(aq)rar...

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  2. Explain with equations the production of dihydrogen increased by coal ...

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  3. Compared the 2nd Ionisation enthalpies and Hydration enthalpies of Alk...

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  4. What is the chemical formula of plaster of paris?

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  5. Between boron and aluminium,boron cannot have covalency more than 4 bu...

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  6. Explain the reaction of diborane when it is exposed to air?

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  7. Define limiting reagent.

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  8. Define molarity and molality.

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  9. CaCO3 decomposes to give CO2 gas according to the equation. CaCO3(s)...

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  10. The atomic number and atomic mass of iron are 26 and 56 respectively....

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  11. Calculate the wave number of the spectral line of shortest wavelength ...

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  12. For the element with atomic number 24:Write the electronic configurati...

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  13. For the element with atomic number 24: Write the value of n and l for ...

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  14. For the element with atomic number 24: How many unpaired electorns are...

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

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  16. Write three postulates of Kinetic theory of gases.

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  17. Two gases A and B have critical temperatures as 250 and 125 K respecti...

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  18. What is an intensive property? Give an example.

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  19. 2 mole of an ideal gas undergoes a reversible and isothermal expansion...

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  20. State Hess's law of constant heat summation.

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