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What type of substances would make bette...

What type of substances would make better permanent magnets, ferromagnetic or ferrimagnetic? Justify your answer.

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Ferromagnetic substances would make better magnets than ferrimagnetic substances.
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DINESH PUBLICATION-SOLID STATE-QUESTION FROM BOARD EXAMINATION
  1. Express the relation between atomic radius (r) and edge length (a) in ...

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  2. Ionic solids conduct electrical insulator in solid as well as in molte...

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  3. What type of substances would make better permanent magnets, ferromagn...

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  4. What is meant by co-ordintion number (C.N.) ?

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  5. Ionic solids conduct electrical insulator in solid as well as in molte...

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  6. Calculate the efficiency of packing in case of a metal crystal for a...

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  7. Discuss briefly the structure of cesium chloride.

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  8. How is simple cubic unit cell formed ? Calculate the number of atoms i...

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  9. Define radius ratio. What is the value of radius ratio for octahedral ...

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  10. Define the terms (i) Crystalline solids (ii) Frenkel defects (iii) n-t...

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  11. PRIMITIVE AND CENTRED UNIT CELLS

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  12. Define the terms (i) F-centres (ii) n-type semi-conductors (iii) Ferri...

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  13. Explain Schottky defect in Stoichiometric crystals. What are the conse...

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  14. For crystal sodium chloride, state (i) the type of lattice in which ...

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  15. What is unit cell ? Write formula to calculate the density of a unit c...

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  16. (a) Define the terms crystalline and amorphous solids. (b) Explain S...

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  17. Sodium crustallises in bcc unit cell. Calculate the approximate no. of...

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  18. The number of atoms per unit cell in a simple cube, face - centred cub...

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  19. (a) Based on the nature of the intermolecular foces, classify solids b...

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  20. Give reasons : (i) In stoichiometric dfects. NaCl exhibits Schottky ...

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