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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 `("Si"O_(2))`

C

Chrome alum

D

Silicon carbide (SiC)

Text Solution

Verified by Experts

The correct Answer is:
B
Quartz glass is an amorphous solid because in it short range ordre of constituentsis found.
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NIKITA PUBLICATION-SOLID STATE -Question from Competition Exam
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  2. The property of crystalline solid is not

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  4. An ionic compound has a unit cell consisting of A ions at the corners ...

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  5. In NACl unit cell, all the ions lying along the axis as shown in the f...

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  6. Percentage of free space in cubic close packed struchure and in body c...

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  7. In a compound ,atoms of element Y from ccp lattice and those of elemen...

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  8. AB crystallizes in a body centred cubic lattice with edge length a equ...

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  9. Number of unit cells in 4g of X(atomic mass=40). Which crystallises in...

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  10. In Which of the following substances the carbon atom is arranged in a ...

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  11. Why does ZnO show increased electrical conductivity and turns yellow o...

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  12. In AgBr crystal , the ion size lies in the order Ag^(+) lt lt Br^(-) T...

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  13. The edge length of a face-centred cubic unit cell is 508 pm. If the ra...

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  14. The packing efficiency of the two dimensional square unit cell shown b...

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  15. How many nearest neighbours surrounded each particle in a face-centred...

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  16. Which of the following dimensio of a unit cell represent a cubic unit

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  17. In a face centred cubic lattice, atom A occupies the corner positions ...

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  18. In CsCl stricture, the coordination number of Cs^(+) is

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  19. In A^(+)B^(-) ionic compound radii of A^(=) and B^(-) ions are 180 "pm...

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  20. A solid compound XY has NaCl structure. If the radius of the cation is...

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  21. Copper crystallises in fcc with a unit cell length of 361 pm. What is ...

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