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How can dihydrogen be obtained from nitr...

How can dihydrogen be obtained from nitric acid?

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By the reaction of Mg with `"HNO"_(3)` (2%)
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CHHAYA PUBLICATION-HYDROGEN-SHORT-TYPE QUESTIONS
  1. How can dihydrogen be obtained from nitric acid?

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  2. Concentrated H(2)SO(4) cannot be used for drying H(2) gas why?

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  3. What do you mean by occlusion of hydrogen?

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  4. What is atomic hydrogen torch? Explain its principle.

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  5. What are non-stoichiometric hydrides ? Give examples.

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  6. What do you understand by the term 'hydrogen economy'?

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

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

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

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

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

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  12. Describe any one industrial preparation of dihydrogen.

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  13. Explain why ice floats on water.

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

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

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  16. How can the hardness of water be expressed?

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

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

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

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

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