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What is the difference between luyoiphob...

What is the difference between luyoiphobic sol and luyophilic sol?

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Lyophilic soles : are formed by simple mixing of dispersion medium with substance like gum straches .They ar reversible sols
Lysophlic sol are prepered only by special method as they are not prepared by simple mixing of substances with dispersion medium .They are irreversible sols.
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XII BOARDS PREVIOUS YEAR-XII BOARDS-C.B.S.E CLASS XII
  1. Body centered cubic lattice has Z=2

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  2. What is the difference between luyoiphobic sol and luyophilic sol?

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  3. Draw the structure of XeF(2) molecule.

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  4. State the role of silica in the metallurgy of copper.

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  5. Why do transition elements show variable oxidation state?

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  6. Draw the structure of 2-bromopentane

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  7. Write the IUPAC name of the following compound: CH(3)underset(CH(3))...

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  8. Out of CH(3)-NH(2) and (CH(3))(3)N which one has higher boiling point?

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  9. How is the vapour pressure of a solvent affected when a non volatile s...

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  10. (a) For a reaction ,A+B rarr Product the rate law is given rate =k[A]^...

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  11. Define the following terms: (i) Rosting (ii) Calcination

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  12. Draw the structure of each of the following (i) H(2)SO(4) (ii) sol...

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  13. Assing a reason for each of the following observation : (i) The tran...

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  14. What is lanthanoid contraction? What are the consequences of lanthanol...

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  15. How would you account for the following? (i) The highest oxidation s...

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  16. Write the equation involved in the following reaction : (i) Williams...

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  17. How are the following conversions carried out? (i)Propene to propan ...

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  18. Answer the following questions: (i) Why are vitamin A and vitamin C ...

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  19. Enumerate the reactions of D-Glucose which cannot be explained by its ...

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  20. The density of copper is 8.95 g cm^(-3) .It has a face centred cubic s...

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