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Ionic solids , which have anionic vacanc...

Ionic solids , which have anionic vacancies due to metal excess defect , develop colour .
Explain with the help of a suitable example .

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NCERT TELUGU-THE SOLID STATE-Intext Questions
  1. Refractive index of a solid is observed to have the same value along a...

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  2. Classify the following solids in different categories based on the nat...

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  3. Solid 'A' is a very hard electrical insulator in solid as well as in m...

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  4. Ionic solids conduct electricity in molten state but not in solid stat...

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  5. What type of solids are electrical conductors , malleable and ductile ...

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  6. Give the significance of a lattice point .

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  7. Name the parameters that characterise a unit cell .

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  8. Distinguish between hexagonal and monoclinic unit cells .

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  9. Explain how much portion of an atom located at Corner ?

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  10. What is the two dimensional coordination number of a molecule in squar...

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  11. A compound forms hexagonal close-packed structure . What is the total ...

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  12. A compound is formed by two elements M and N . The element N forms ccp...

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  13. Which of the following lattices has the highest packing efficiency ? ...

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  14. An element with molar mass 2.7 xx 10^(-2) kg mol^(-1) forms a cubic un...

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  15. What type of defect can arise when a solid is heated ? Physical proper...

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  16. What type of stoichiometric defect is shown by ZnS

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  17. Explain how vacancies are introduced in an ionic solid when a cation o...

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  18. Ionic solids , which have anionic vacancies due to metal excess defect...

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  19. A group 14 elements is to be converted into n- type semiconductor by d...

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  20. What type of substances would make better permanent magnets , ferromag...

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