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The sharp melting point of crystalline s...

The sharp melting point of crystalline solids compared to amorphous solids is due to

A

a regular arrangement of constituent particles observed over a short distance in the crystal lattice.

B

a regular arrangement of constituent particles observed over a long distance in the crystal lattice.

C

same arrangment of constituent particles in different directions.

D

different arrangment of constituent particles in different directions.

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The correct Answer is:
B
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The sharp melting point of crystalline solids compared to amorphjous solids is due to

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MODERN PUBLICATION-SOLID STATE-NCERT EXEMPLAR PROBLEMS (MULTIPLE CHOICE QUESTIONS) (TYPE I)
  1. which of the following is true about the value of refractive in...

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  2. Which of the following statement is not true about amorphous solids?

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  3. The sharp melting point of crystalline solids compared to amorphous so...

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  4. Iodine molecules are held in the crystal 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 ? ...

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  7. which of the following is not the characteristic of ionic solids?

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  8. Graphite is a good conductor of eletricity due to the presence o...

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  9. which of the following oxides behaves as conductor or insulator ...

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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 classifed as ………… .

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  13. Cations are present in the interstitial sites in …………… .

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  14. Schottky defect is observed in crystals when ……………. .

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  15. Which of the following is true about the change the charge acq...

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

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

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  18. Which of the following point defects are shown by AgBr (s) crys...

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  19. In which pair most efficient packing is present?

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  20. The percentage of empty space in a body centred cubic arrangement is :

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