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How does H(2)O(2) display its bleaching ...

How does `H_(2)O_(2)` display its bleaching property?

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How does H_(2)O_(2) behave as a bleaching agent?

How does H_2O_2 behaves as a bleaching agent?

Pure H_(2)O_(2) is________

H_(2)O_(2) has both oxidising and reducing properties-why?

In which of the following reactions, H_(2)O_(2) acts as a reducing agent- (1) H_(2)O_(2) + 2H^(+) + 2e rarr 2H_(2) O (2) H_(2)O_(2) - 2e rarr O_(2) + 2H^(+) (3) H_(2)O_(2) + 2e rarr 2OH^(-) (4) H_(2)O_(2) + 2H^(-) - 2e rarr O_(2) + 2H_(2) O

How can H_(2)O_(2) solution be prepared by electrolysing an equimolar mixture of sulphuric acid and ammonium sulphate?

How is H_(2)O_(2) preserved in the laboratory?

NaH, MgH_2 and H_2O in order of incresing reducing property.

In alkaline medium , CIO_(2) oxidised by H_(2)O_(2) to O_(2) and itself reduces to CI^(-) ion .How many moles of H_(2)O_(2) will be oxidised by 1 mol of CIO_(2) ?

How does H_2O_2 help in restoration of old lead paintings?

CHHAYA PUBLICATION-HYDROGEN-SHORT-TYPE QUESTIONS
  1. Give example of a reaction in which H(2)O acts oxidising agent.

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  2. How can the hardness of water be expressed?

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

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

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

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

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

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

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  9. Describe some unusual properties of water.

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

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

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  12. Water and hydrogen peroxide are kept in two separate bottles. How will...

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  13. How does H(2)O(2) display its bleaching property?

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  14. In the preparation of H(2)O(2), "MnO"(2) or "PbO"(2) cannot be used i...

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  15. Why is H(2)O(2) used to restore the original colour of oilpaintings?

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  16. Explain why a solution of H(2)O(2) cannot be stored in an ordinary gl...

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  17. What do you mean by 'x volume' H(2)O(2)solution?

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  18. Explain why in the laboratory preparation of H(2)O(2) : It is better...

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  19. How can H(2)O(2) be preserved in the laboratory?

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  20. What are the limitations of the process used for the laboratory prepar...

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