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Why the melting point of bismuth is less...

Why the melting point of bismuth is less than that of As?

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UNITED BOOK HOUSE-SET-10-Exercsie
  1. What is physical adsorption? What is change of entropy in the process ...

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  2. How do size of particles of adsorbent, pressure of gas and prevailing ...

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  3. Why the melting point of bismuth is less than that of As?

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  4. Why the bond dissociation enthalpy of F2 is less than that of Cl2.

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  5. What is meridional isomer? Give example.

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  6. What is co-polymer? Give example.

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  7. Calculate the edge length of body centred cubic lattice having density...

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  8. What is imperfect crystal? Give one example of metal excess lattice.

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  9. Show that for the first order reaction half life is independent of ini...

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  10. What is positive deviation of Raoult's law? What is the reason behind ...

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  11. Calculate the amount of Cu will be realised at electrode when 1.5 ampe...

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  12. What is leaching? How alumina is separated from bauxite by this proces...

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  13. Write two difference between calcination and roasting? What is thermit...

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  14. Why mercurous ion exist in Hg2^(2+) form? Why Fe^(3+) is more stable t...

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  15. Why Scandium can't form colour compound? Write the general electronic ...

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  16. How would you synthesis DDT? Mention one use of it.

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  17. Why vinyl halaide shows reluctance to nucleophiic substitution reactio...

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  18. Draw the correct structure of Phenol and Aniline

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  19. Compare the basicity of CH3NH2 & ...

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  20. What is mutarotation? What mutarotation? What type of tautomerism is i...

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