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All the solid crystals can be classified...

All the solid crystals can be classified into -

A

14 crystal systems

B

7 crystal systems

C

32 crystal systems

D

9 crystal systems

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USHA PUBLICATION-SOLID STATE-EXERCISE
  1. In a solid lattice the cation has left a lattice site and is located a...

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  2. Schottky defect defines imperfection in the lattice structure of -

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  3. All the solid crystals can be classified into -

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  4. Silica is an example of -

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  5. Which of the following is an example of covalent solid ?

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  6. Crystals which are good conductor of heat and electricity are -

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  7. Ionic solids are characterised by:

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  8. Which of the following is amorphous ?

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  9. Explain, how much portion of an atom located at (i) corner and (ii) bo...

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  10. Close packing is maximum in the crystal which is -

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  11. What do you mean by packing efficiency ? In which type of crystal arra...

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  12. What is co-ordination number ?

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  13. Schottky defect is generally appears in -

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  14. n-type semiconductor can be obtained by adding - to pure germanium .

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  15. n-type semiconductor can be obtained by adding - to pure germanium .

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  16. In the cubic arrangement the radius ratio is found to be 0.884. The st...

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  17. Radius ratio of NaCl crystal is 0.532. The structure of the crystal is...

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  18. Number of particles present per unit cell of HCP crystal is .

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  19. Iodine is an example of type of solid.

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  20. The point defect which decreases the density of a solid is called as ...

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