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Why sodium chloride on heating with sodi...

Why sodium chloride on heating with sodium vapours acquires yellow colour?

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ICSE-SOLID STATE-ISC EXAMINATION QUESTIONS PART-I (Descriptive Question)
  1. What are semiconductors ? What is the effect of increasing temperature...

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  2. For a crystal of diamond, state : The hybridization of the carbon at...

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  3. For a crystal of diamond, state : The coordination number of each ca...

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  4. For a crystal of diamond, state : The type of lattice in which it cr...

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  5. For a crystal of diamond, state : The number of carbon atoms present...

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  6. What is Schottky defect in a solid ?

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  7. An ionic compound is made up of A cations and B anions. if A cations a...

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  8. Define Frenkel defect in solid crystal.

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  9. Explain giving reasons why ionic solids conduct electricity in molten ...

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  10. For a crystal of diamond, state : The number of carbon atoms present...

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  11. For a crystal of diamond, state : The type of lattice in which it cr...

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  12. In a crystal of diamond : How many carbon atoms surround each carbon...

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  13. For a crystal of diamond, state : The type of lattice in which it cr...

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  14. Describe briefly the structure of copper metal.

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  15. Why sodium chloride on heating with sodium vapours acquires yellow col...

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  16. Describe the unit cell of sodium chloride with a neat diagram stating....

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  17. What is the coordination number of sodium and chloride ions in sodium ...

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  18. How many sodium ions and chloride ions are present in a unit cell of s...

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  19. For a crystal of sodium chloride, state : The structural arrangement ...

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  20. Graphite is anisotropic with respect to conduction of electric current...

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