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Presence of excess sodium makes NaCl cry...

Presence of excess sodium makes NaCl crystal coloured. Explain on the basis of crystal defects.

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A N EXCEL PUBLICATION-THE SOLID STATE-QUESTION BANK
  1. Which of the following is a molecular solid?

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  2. Unit cell can be classified into primitie and centred unit cells. Diff...

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  3. Presence of excess sodium makes NaCl crystal coloured. Explain on the ...

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  4. A cubic unit cell is characterised by a=b=c and alpha=beta=gamma=90^@ ...

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  5. Identify the substance which shows frenkel defect.

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  6. Identify the non-stoichiometric defects.

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  7. What type of substances would make better permanent magnets: ferromagn...

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  8. In terms of band theory write the differences between conductor and in...

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  9. From the following choose the incorrect statement about crystalline so...

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  10. A cubic unit cell is characterised by a=b=c and alpha=beta=gamma=90^@ ...

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  11. Cubic unit cells are divided into primitive, bcc and fcc. Calculate t...

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  12. Write two example of covalent solids.

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  13. Thermal and elctrical conductivity of a solid is same in different dir...

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  14. Classify the following as amorphous or crystalline solids: polyurethan...

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  15. Diamond is a covalent solid in which carbon atoms are covalently...

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  16. Give two differences in properties of covalent and ionic solids.

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  17. Based on the dimensions of unit cells, crystal can be classified into ...

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  18. Draw the structure of different cubic unit cells and calculate the num...

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  19. In Beryllium crystal the layers of atoms are being arranged in a patte...

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  20. Calculate the number of tetrahedral and octahedral voids present in 1 ...

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