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Which of the following oxides shows elec...

Which of the following oxides shows electrical properties like metals?

A

`SiO_2`

B

MgO

C

`SO_2(s)`

D

`CrO_2`

Text Solution

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The correct Answer is:
d
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PRADEEP-STATES OF MATTER: SOLID MATTER-NCERT EXEMPLAR PROBLEMS (MULTIPLE CHOICE- I)
  1. Graphite is a good conductor of electricity due to the presence of :

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

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

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

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  5. Graphite cannot be classified as :

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

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

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  8. which of the following is true about the change the charge acq...

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

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

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

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  12. In which pair most efficient packing is present?

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

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  14. which of the following statemets is not true about the hexagona...

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  15. in which of the following structures coordination number for cati...

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  16. What is the coordination number in a square close packed structures in...

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  17. which kind of defects are introduced by doping ?

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  18. silicon doped with electron rich impurity forms ………. .

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  19. Which of the following statements is not true ?

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  20. which of the following is not true about the ionic solids ?

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