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What is super conductivity? Define impur...

What is super conductivity? Define impurity defects of solid with example.

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UNITED BOOK HOUSE-SET-7-Exercise
  1. What si buna-N-Rubber? State one use of it.

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  2. Show that the packing efficiency of simple cubic lattice 47.6%.

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  3. What is super conductivity? Define impurity defects of solid with exam...

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  4. Calculate the Vant Hoff's factor when 5.00 gm Na2SO4 dissolved in 45.0...

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  5. Calculate the depression of freezing point of 0.1 (M) aqueous soln. of...

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  6. Calculate the equivalent conductance of NaOH given the equivalent cond...

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  7. Given that H2O(l) rarr H^+(aq) + OH^- (aq), DeltaH= 57.32 kJ H2(g) ...

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  8. Why limestone is use to convert hematite to pig iron. What is the role...

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  9. What is liquation? Name one metal which is purified by it. What is Aln...

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  10. Why the melting point of higher oxides of metal is less as compare to ...

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  11. What is lanthanoid contraction? What is misch metal state one use of i...

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  12. What do you mean by retention of configuration. What is hoffmann ammon...

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  13. How would you convert. 1 propanol rarr 2 propanol

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  14. How would you differ aniline & benzyl amine chemically. What will happ...

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  15. Why pernicious anaemia causes? What is peptide bond? Name an optically...

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  16. Calculate the rate constant and time required to complete 90% reaction...

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  17. Write differences between order and molecularities of a reaction. Defi...

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  18. Write with balanced chemical equation what happen when XeO2F2 is hydr...

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  19. Write with balanced chemical equation what happen when Phosphonium iod...

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  20. State reason easily Xe can be liquified but not He.

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