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Pure silicon and germanium behave as...

Pure silicon and germanium behave as

A

Conductors

B

Insulators

C

Semiconductors

D

May be any one of the above

Text Solution

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The correct Answer is:
B
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CENGAGE CHEMISTRY ENGLISH-SOLID STATE-Exercises (Single Correct)
  1. Na and Mg crystallize in bcc- and fcc-type crystals, respectively, the...

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  2. The electrical conductivity of semiconductor is

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  3. Pure silicon and germanium behave as

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  4. A solid has a structure in which W atoms are located at the corners of...

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  5. Which of the following is a ferroelectric compound?

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  6. The intermetallic compound LiAg crystallizes in cubic lattice in which...

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  7. The edge length of a face-centred cubic unit cell is 508 p m. If the r...

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  8. In the crystals of which of the following ionic compounds would you ex...

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  9. Schottky defect is observed in crystals when

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  10. How many kinds of space lattices are possible in a crystal?

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  11. Potassium crystallizes with a

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  12. A compound formed by elements A and B crystallizes in the cubic arrang...

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  13. The number of unit cells in 58.5 g of NaCl is nearly :

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  14. The number of octahedral sites per sphere in fcc structure is

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  15. The packing fraction for a body-centred cube is

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  16. Which of the following has Frenkel defect?

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  17. In NaCl, the chloride ions occuphy the space in a fashion of

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  18. To get n-type of doped semi conductor, the impurity to be added to sil...

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  19. The range of radius ratio (cationic to anionic) for an octahedral arra...

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  20. When molten zinc is cooled to solid state, it assumes hcp structure. T...

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