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Write one effect of depletion of ozone l...

Write one effect of depletion of ozone layer and one measure for the prevention of ozone layer depletion.

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  • 2015 Question Paper

    UNITED BOOK HOUSE|Exercise EXERCISE|69 Videos
UNITED BOOK HOUSE-2014 QUESTION PAPER-EXERCISE
  1. What type of fission of a covalent bond produce free radicals? Give an...

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  2. Draw the structure of the following compound :3, 4 - dimethylpentanoic...

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  3. Write one effect of depletion of ozone layer and one measure for the p...

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  4. State the Heisenberg uncertainty principle. Calculate the de Broglie w...

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  5. When hydrogen, combines with oxygen, a polar covalent product is forme...

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  6. What types of bonds are present in KHF2?

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  7. Why H2 is a stable molecule but He2 is not?

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  8. Write canonicals of ClO4^-

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  9. A gas of molar mass 84.5 g//mol is enclosed in a flask at 27^@C has a ...

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  10. Calculate the enthalpy of formation of liquid,ethyl alcohol from' the ...

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  11. For a gaseous reaction in a closed container establish the thermodynam...

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  12. Balance the equation in ion electronic method,K2Cr2O7 + FeSO4 + H2SO4 ...

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  13. Balance the following reaction by oxidation number method : 12+HNO3rar...

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  14. Hydrogen can be placed in Group 17 instead of Group 1 of periodic tabi...

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  15. What is heavy water? Why is it so called?

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  16. The halides of alkali metals are soluble in water except for LiF. Why?

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  17. What is diagonal relationship? Give one example.

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  18. Draw the canonicals of CH3COOH and CH3C00^- In which case resonance is...

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  19. Write the principle of estimation of carbon and hydrogen in an organic...

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  20. Consider the equilibrium : N2(g)+3H2(g)rarr2NH3(g)+heat Apply the Le C...

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