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Give three defects of mendeleev's period...

Give three defects of mendeleev's periodic table.

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Give four defects of Mendeleev's periodic table.

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OSWAAL PUBLICATION-Solved Paper 2016-1-EXCERSICE
  1. Explain the mechanism of addition of hydrogen bromide to propene.

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  2. What is greenhouse effect?Name any one gas which is responsible for t...

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  3. Give three defects of mendeleev's periodic table.

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  4. Write the electronic configuration of Hydrogen molecule. Calculate its...

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  5. What is sp^2 hybridisation?Illustrate the formation of Ionic bond.

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  6. Define dipole moment.

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  7. Balance the following chemical equation by oxidation number method Fe^...

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  8. Density of water is maximum at 4^(@)C.

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  9. Name the salt which causes temporary hardness of water.

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  10. Give the equation,involved in the manufacture of washing soda by solva...

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  11. Write any three diffferences between graphite and diamond.

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  12. The molecular mass of an organic compound is 78 amu is known to contai...

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  13. Calculate the mole fraction of benzene and carbon tetrachloride in a b...

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  14. Define isotopes and isobars

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  15. The Vividh Bharathi station broadcast on a frequency of 136 kHz.Calcul...

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  16. Deduce the de-Broglics matter wave equation.

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  17. Give the possible values of l,m,and s when n=2

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  18. Write the difference between orbit and orbital.

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  19. Write the postulates of kinetic theory of gases.

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  20. Calculate the value of R for one mole of an ideal gas S.I unit.

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