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Which noble gas in most abundant in atmo...

Which noble gas in most abundant in atmospheric dry air?

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Argon `(Ar)`.
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SUNSTAR PUBLICATION-ANNUAL EXAM QUESTION PAPER MARCH - 2017-PART - D
  1. Which noble gas in most abundant in atmospheric dry air?

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  2. Calculate the packing efficiency in a simple cubic lattice.

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  3. An element having atomic mass 63.1 g/mol has face centred cubic unit c...

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  4. 1.0 g of non - electrolyte solute dissolved in 50 g of benzene lowered...

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  5. How solubility of a gas in liquid changes with increase in temperature...

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  6. The electrode potential for the Danicell given below is 1.1V. Zn(s)|...

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  7. Mention any two factors which affects the conductivity of electrolytic...

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  8. Derive an integrated rate equation for the rate constant of a zero ord...

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  9. Write i) Arrhenius equation. ii) The formula to calculate half lif...

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  10. write any two differences between lyophilic and lyophobic colloids .

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  11. Explain the mechanism of enzyme catalysis.

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  12. How does entropy change for adsorption?

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  13. Write SN^(2) mechanism of the conversion of methyl chloride to methyl ...

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  14. Aldehydes are generally more reactive than ketones towards nucleophill...

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  15. What is asymmetric carbon atom.

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  16. Explain the Kolbe's reaction with equation.

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  17. Write the mechanism of acid catalysed dehydration of ethanol to ethene...

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  18. How benzene is converted into benzaldehyde by Gatterman-Koch reaction.

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  19. Complete and name the following reaction.

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  20. What is the effect of electron withdrawing group on the acidity of car...

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  21. How aniline is prepared by Hoffmann bromamide degradation reaction? Gi...

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