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Why do ionic compounds have high melting...

Why do ionic compounds have high melting points?

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Ionic compounds have strong electrostatic forces of attraction between the ions. Therefore, It requires a lot of energy to overcome these forces. That ionic compounds have light melting points.
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NCERT-METALS AND NON-METALS-Exercise
  1. What would you observe when zinc is added to a solution of iron (II) s...

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  2. (i) Write the electron-dot structures for sodium, oxygen and magnesium...

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  3. Why do ionic compounds have high melting points?

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  4. Define the following terms. (i) Mineral (ii) Ore (iii) Gangue

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  5. Name two metals which are found in nature in the free state.

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  6. What chemical process is used for obtaining a metal from its oxide?

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  7. Metallic oxides of zinc, magnesium and copper were heated with the fol...

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  8. Which metals do not corrode easily?

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  9. What are alloys?

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  10. Which of the following pairs will give displacement reactions? (i) Na...

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  11. Which of the following methods is suitable for preventing an iron fryi...

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  12. An element reacts with oxygen to give a compound with a high melting p...

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  13. Food cans are coated with tin and not with zinc because (a) zinc is ...

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  14. You are given a hammer, a battery, a bulb, wires and a switch. (a) H...

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  15. What are amphoteric oxides? Give two examples of amphoteric oxides.

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  16. Name two metals which will displace hydrogen from dilute acids, and tw...

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  17. In the electrolytic refining of a metal M, what would you take as the ...

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  18. Pratyush took sulphur powder on a spatula and heated it. He collected ...

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  19. State two ways to prevent the rusting of iron.

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  20. What type of oxides is formed when non-metals combine with oxygen?

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