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Which of the following statements is not...

Which of the following statements is not true about amorphous solids ?

A

On heating they may become crystalline at certain temperature.

B

They may become crystalline on keeping for long time.

C

Amorphous solids can be moulded on heating.

D

They are anisotropic in nature.

Text Solution

Verified by Experts

The correct Answer is:
D
Amorphous solids are isotropic in nature.
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ICSE-SOLID STATE-EXERCISE(PART-I OBJECTIVE QUESTIONS)
  1. Which of the following arrangements shows schematic alignment of magne...

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  2. Which of the following is true about the value of refractive index of ...

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  3. Which of the following statements is not true about amorphous solids ?

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  4. The sharp melting point of crystalline solids is due to :

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  5. Iodine molecules are held in the crystals lattice by

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  6. Which of the following is a network solid

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  7. Which of the following solids is not an electrical conductor ? (I)Mg...

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

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

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

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

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

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  13. Graphite cannot be classified as

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  14. Cations are present in the interstitial sites in

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  15. Schottky defect is observed in crystals when

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

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

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

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  19. Which of the following point defects are shown by AgBr(s) crystals ? ...

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  20. In which pair most efficient packing is present ?

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