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What happens when (i) Quicklime is hea...

What happens when
(i) Quicklime is heated with silica.
(ii) Sodium burns vigorously in oxygen.

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OSWAAL PUBLICATION-Solved Paper 2019-1-Excercise
  1. Derive the relation between Density and Molar mass of a gaseous substa...

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  2. Write the resonance structures of ozone.

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  3. What happens when (i) Quicklime is heated with silica. (ii) Sodium...

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  4. What happens when (i) Quicklime is heated with silica. (ii) Sodium...

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  5. Diamond is covalent yet it has high melting point. Why?

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  6. How to prepare benzene from ethyne?

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  7. Explain the mechanism of Friedel craft alkylation of benzene.

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  8. What are particulate pollutants? Give an example

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  9. What is electron negativity ? How does it change in a period as well a...

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  10. Which of the following will have most negative electron gain enthalpy?...

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  11. Explain sp-hybridisation in BeCl2 molecule.

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  12. Give any two difference between sigmaandpi bond.

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  13. Name the type of Hydrogen bonding in ortho-nitrophenol.

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  14. Write the Electronic configuration of Oxygen molecule,Predict its magn...

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  15. Balance the following redox reaction by using Oxidation number method ...

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  16. How temporary Hardness of water is removed by Boiling ?

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  17. What is the composition of water gas?

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  18. Complete the following reactions.

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  19. Lithium shows diagonal relationship with Megnesium. Give reason.

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  20. Write the chemical formula of Inorganic benzene.

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