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Describe the usefulness of water in bíos...

Describe the usefulness of water in bíosphere and biological systems.

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V PUBLICATION-HYDROGEN-QUESTION BANK
  1. What is meant by 'demineralished water '?

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  2. Is demineralised or distilled water useful for drinking purposes? If n...

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  3. Describe the usefulness of water in bíosphere and biological systems.

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  4. What properties of water make it useful as a solvent?

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  5. Knowing the properties of H2O and D2O . Do you think that D2O can be u...

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  6. What is the difference between the terms 'hydrolysis' and 'hydration'?

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  7. How can saline hydrides remove traces of water from organic compounds?

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  8. What do you expect the nature of hydrides formed by elements of atomic...

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  9. Do you expect different products in solution when aluminium (III) chlo...

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  10. How does H2O2, behave as a bleaching agent?

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  11. What do you understand by the terms (i) hydrogen economy (ii) hydrogen...

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  12. Water a compound of hydrogen is .unique in many of its.properties.Wate...

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  13. i) Rain water and séa, water differ in their behaviour towards soap. G...

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  14. Cite two examples of metallic oxides which are acidic as well as basic...

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  15. Is it correct to say that hydrogen can behave as a metal? State the co...

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  16. A sample of river water does not give lather with soap easily when it ...

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  17. Statues coated with white lead on long exposure to atmosphere turn bla...

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  18. What is water gas? How is it prepared?

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  19. Boiling point of H2O (373K) is very much higher than that of H2S (213 ...

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  20. A mixture of hydrazine and 'H2 O2' with Cu(II) catalyst is used as a r...

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