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Why crystalline solids have a sharp melt...

Why crystalline solids have a sharp melting point?

A

a regular arrangement of constituent particels is observed over a short distacne in the crystal lattice.

B

a regular arrangement of consituent particles observed over a long distacne in the crystal lattice.

C

same arrangement of consituent particles in different directions

D

different arrangement of consituent particles in different direction.

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MODERN PUBLICATION-SOLID STATE-EXERCISE
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  2. Define the term amorphous. Give a few examples of amorphous solids.

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  3. Why crystalline solids have a sharp melting point?

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  4. Iodine moelcules are held in the crystals lattice by

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  5. Which of the following is a network solid?

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  6. Which of the following solids is not an electrical conductor? Mg(s) Ti...

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  7. Which of the following is not the characterstics of ionic solids?

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  8. Graphite is a good conductor of electricity because

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  9. Which of the following oxides behaves as conductor or insulator depend...

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  10. Which of the following oxides shows electrical properties like metals?

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  11. The lattice site in a pure crystal cannot be occupied by

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  12. Graphite cannot be classified as

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  13. Cations are present in the interstitial sites in which defect?

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  14. Schottky defect is observed in crystal when

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  15. Which of the following is true about the charge acquired by p type sem...

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  16. To get a n-type semicondcutor from silicon, it should be doped with a ...

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  17. The total number of tetrahedral voids in the face centred unit cell is

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  18. Which of the following is not correct for Frenkel defect in crystals?

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  19. The percentage of empty space in a body centre cubic arrangement is

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  20. In which part most efficiency packing is present?

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