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In elements of group 14,:Which is normal...

In elements of group 14,:Which is normally found in +2 oidation state?

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OSWAAL PUBLICATION-Sample Paper 6-Exercise
  1. Give any two uses of calcium oixde.

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  2. In elements of group 14,:Which forms the most acidic oxide?

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  3. In elements of group 14,:Which is normally found in +2 oidation state?

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  4. In elements of group 14,:Which is used as semi-conductor?

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  5. Define limiting reagent.

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  6. Calculate the mass of the following :5.4 moles of O2

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  7. Calculate the mass of the following ,2.5 moles of CO2

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  8. Calculate the mass of the following : 9.2 mole of N2

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  9. Write the difference between isotope and isobars.

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  10. Calculate the wavelength of a photos in Angstrom units having energy o...

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  11. State the Hund's Rule of maximum multiplicity.Write the electronic con...

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  12. A neutral atom has 2 k electrons, 8 L electrons and 8 M electrons.Pred...

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  13. A neutral atom has 2 k electrons, 8 L electrons and 6 M electrons.Pred...

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  14. A neutral atom has 2 k electrons, 8 L electrons and 6 M electrons.Pred...

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  15. Mention of causes for the deviation of ral gas from ideal behaviour.

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  16. A sample of a gas is found to occupy a volume of 800 cm^(2) "at" 27^(@...

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  17. What is an isolated system ?

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  18. What is a state function ?

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  19. Define heat capacity .

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  20. What is meant by free energy of a system ? What will be the direction ...

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