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What do you mean by hydrides? Give examp...

What do you mean by hydrides? Give examples along with their general formula.

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CHHAYA PUBLICATION-HYDROGEN-WARM UP EXERCISE
  1. Mention two advantages of using dihydrogen as a fuel with respect to g...

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  2. Mention four important uses of dihydrogen.

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  3. What do you mean by hydrides? Give examples along with their general f...

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  4. Why ionic or salt-like hydrides on electrolysis liberates dihydrogen a...

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  5. What characteristics do you expect from an electrondeficient and an el...

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  6. Why the boiling point of HF is higher than that of other hydrogen hali...

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  7. Which type of hydrides can be used as hydrogen storage media?

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  8. How can you separate H(2) or D(2) from He?

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  9. Why ionic or salt-like hydrides are used to dry organic solvents?

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  10. Although the oxygen atom in water is sp^(3) hybridised, the value of H...

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  11. Explain why a molecule of water is polar in nature.

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  12. Explain why the freezing point, boiling point, heat of fusion and heat...

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  13. Explain why ice floats on water.

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  14. At which temperature the density of water is maximum and why?

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  15. Many electrovalent or ionic compounds and same non-electrolytes such a...

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  16. Water is very stable compound - why ?

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  17. Explain why water is called 'universal solvent?

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  18. Explain why water is called an 'amphiprotic solvent'. Establish this g...

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  19. What do you understand by'self-ionisation' or 'autoprotolysis' of wate...

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  20. Give examples of two reactions one in which water acts as an oxidising...

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