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Why do ionic compounds have high melting...

Why do ionic compounds have high melting points?

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In the formation of ionic compounds, positive ions (cations) and negative ions (anions) participate. These are closely packed and the ionic compounds exist as crystalline solids. They have strong interionic forces of attraction and have high melting and boiling points.
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MTG IIT JEE FOUNDATION-METALS AND NON METALS -NCERT SECTION
  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?

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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

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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 are formed when non-metals combine with oxygen?

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