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What are semiconductors ? What is the ef...

What are semiconductors ? What is the effect of increasing temperature on the conductivity of a semiconductor ?

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ICSE-SOLID STATE-ISC EXAMINATION QUESTIONS PART-I (Descriptive Question)
  1. Compare the crystals of copper and diamond giving one similarity and o...

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  2. Define piezoelectricity and give one use of piezoelectric crystals.

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  3. What are semiconductors ? What is the effect of increasing temperature...

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

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

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

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

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  8. What is Schottky defect in a solid ?

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

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  10. Define Frenkel defect in solid crystal.

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

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

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

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

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

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  16. Describe briefly the structure of copper metal.

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

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

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

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

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