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Which of the following is an amorphous s...

Which of the following is an amorphous solid

A

Graphite (C )

B

Quartz glass `(SiO_2)`

C

Chrome alum

D

Silicon carbide (SiC)

Text Solution

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The correct Answer is:
B
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NCERT FINGERTIPS ENGLISH-THE SOLID STATE -EXEMPLAR PROBLEMS
  1. which of the following favours the existenence of a substance in...

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  2. which of the following is not a characteristic of a crystalline s...

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  3. Which of the following is an amorphous solid

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  4. Which of the following arrangements shows schematic alignment of magne...

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  5. which of the following is true about the value of refractive in...

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

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

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  8. Iodine molecules are held in the crystal lattice by:

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  9. which of the following is a network solid?

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  10. which of the following solids is not an electrical conductor ? ...

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

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  12. Graphite is a good conductor of electricity due to the presence of :

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

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  14. Which of the following oxides shows electrical properties like metals ...

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

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  16. Graphite cannot be classified as :

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

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

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  19. which of the following is true about the charge acquired by p- t...

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

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