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Presence of excess sodium makes NaCl cry...

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

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MODERN PUBLICATION-SOLID STATE-EXERCISE
  1. Which of the following is a molecular solid?

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  2. Can cubc lattice have end centred unit cell?

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

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  4. How many atoms can be assigned to its unit cell if an element forms a ...

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  5. How many atoms can be assigned to its unit cell if an element forms fa...

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  6. Give reason: What is the difference between phosphorus doped and galli...

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  7. Which point defect lowers the density of crystal ?

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  8. Some of the very old glass objects appear slightly milky instead of be...

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  9. Explain the following with suitable examples: Ferromagnetism

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  10. Explain the following with suitable examples: paramagnetism.

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  11. Explain the following with suitable examples: ferrimagnetism.

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  12. How do you metallic and ionic substances differ in conducting electric...

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  13. How can you determine the atomic mass of an unknown metal if you know ...

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  14. What is the effect of presence of Schottky defects on the density of t...

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  15. Doping mens introduction of small amount of impurities like phosphor...

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  16. Calculate tbe packing efficiency of a metal crystal for a simple cubic...

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  17. What type of point defect is produced when AgCl is doped with CdCl2?

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  18. What type of semiconductor is obtained when silicon is doped with boro...

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  19. What type of non-stoichimetric point defect is responsible for the pin...

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  20. What type of stoichiometric defect is shown by ZnS?

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