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Explain why ionic solids are quite hard ...

Explain why ionic solids are quite hard and rigid.

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Explain why ionic compounds are hard and brittle?

Explain why the covalent solids are hard.

Explain why ionic solids are highly brittle.

Explain why ionic solids have high melting and boiling points.

Explain why ionic solids are more soluble in polar solvents.

Why are solids hard and rigid ?

Explain why ionic solids do not conduct electricity but are good conductors in molten state.

Explain why solids have high density.

Explain a. The basic of sumilarities and differences between metallic and ionic crystals. b. Ionic solids are hard and brittle.

Explain a. The basic of sumilarities and differences between metallic and ionic crystals. b. Ionic solids are hard and brittle.

ICSE-SOLID STATE-EXERCISE (PART-II DESCRIPTIVE QUESTIONS) (LONG ANSWER QUESTIONS)
  1. Classify the crystals on the basis of nature of bonds existing between...

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  2. What are ionic crystals ? Discuss the crystal structure of sodium chlo...

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  3. Explain why ionic solids are quite hard and rigid.

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  4. Explain why ionic solids have high melting and boiling points.

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  5. Explain why ionic solids do not conduct electricity but are good condu...

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  6. Explain why ionic solids are more soluble in polar solvents.

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  7. Explain why solids have high density.

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  8. Explain why ionic solids are highly brittle.

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  9. What are atomic solids ? Discuss the structures of diamond and graphit...

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  10. Explain why the covalent solids have high melting and boiling points.

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  11. Explain why the covalent solids are hard.

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  12. Explain why the covalent solids are bad conductors of electricity.

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  13. Explain why the covalent solids are usually soluble in non-polar solve...

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  14. How will you account for the following: Diamond is extremely hard an...

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  15. How will you account for the following: Diamond is a non-conductor o...

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  16. How will you account for the following: Diamond has high density.

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  17. How will you account for the following: Graphite is soft and is used...

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  18. How will you account for the following: Graphite is a good conductor...

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  19. Mention three differences between crystalline and amorphous solids.

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  20. For diamond, state the element present at the lattice sites, the numbe...

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