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ZnO appears yellow on heating....

ZnO appears yellow on heating.

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  1. Do all the metals possesș a close packed structure? Name the differen...

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  2. Why are amorphous solids are considered as super cooled liquids?

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  3. ZnO appears yellow on heating.

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  4. The defects of crystalline solids are called thremodynamics defects. W...

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  5. Why is Frenkel defect not found in alkali metal halides?

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  6. CaCl2 will introduce Schottky defect, if added to AgCl crystal. Explai...

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  7. The ions of NaF and MgO have the same number of electrons and internuc...

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  8. MgO', has the structure of 'NaCl ' and TiCl has the structure of 'Cs C...

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  9. What is the C0ordination number of each type of ions in a rock salt t...

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  10. How many octahedral voids are there in 1 mole of a compound having cu...

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  11. Find the number of atoms per unit cell in a face centred cubic struct...

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  12. In CaF2 crystal, 'Ca^2+'. îons are present in fcc arrangement. How man...

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  13. What is the maximum possible coordination number of an atom in an hcp...

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  14. What is the effect of the presence of Schottky defects on the density...

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  15. Schottky defects and frenkel defects are two stoichiometric defects sh...

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  16. Why is FeO non-stoichiometric with formula Fe(0.95)O

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  17. What is the reason for electrical conductivity in a) metals b) Ionic s...

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  18. What are the types of lattice imperfections found in crystals?

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  19. A metallic element crystallises into a'lattice containing a sequence ...

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  20. Which element may be added to silicon to make electrons available for...

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