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Mention two reactions in which H(2) acts...

Mention two reactions in which `H_(2)` acts as a reducing agent and an oxidising agent respectively.

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CHHAYA PUBLICATION-HYDROGEN-SHORT-TYPE QUESTIONS
  1. What do you understand by the term 'hydrogen economy'?

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  2. What is syngas? What is syngas-shift reaction?

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  3. Mention two reactions in which H(2) acts as a reducing agent and an ox...

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  4. Explain the meaning of the term 'hydride gap'.

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  5. What type of hydrides can be formed by each of the following elements:...

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  6. What are the different types of bonds formed by hydrogen in its compou...

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  7. Describe any one industrial preparation of dihydrogen.

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  8. Explain why ice floats on water.

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  9. A fishy smell is obtained when F(2) is passed through water- why?

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  10. Give example of a reaction in which H(2)O acts oxidising agent.

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  11. How can the hardness of water be expressed?

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  12. Hard water cannot be used in boilers -why?

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  13. It is necessary to use calculated amount of lime for the removal of te...

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  14. Explain why water is called'universal solvent'.

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  15. What is heavy water? Why is it so called? How can it be prepared?

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  16. Which one will readily undergo electrolysis? H(2)O, D(2)O .

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  17. Explain the structure of the common form of ice.

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  18. Describe some unusual properties of water.

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  19. H(2)O(2) has both oxidising and reducing properties-why?

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  20. The boiling point of H(2)O(2) is higher than that of H(2)O - why?

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