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What are fuel cells ? Write the electrod...

What are fuel cells ? Write the electrode reactions of a fuel cell which uses the reaction of hydrogen with oxygen.

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ICSE-ELECTROCHEMISTRY-EXERCISE (PART-II Descriptive Questions)(SHORT ANSWER QUESTIONS)
  1. Define the following terms : (i) Molar conductivity (wedge(m)) (ii)...

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  2. How can Kohlrausch's law of independent migration can be applied for ...

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  3. The molar conductivity at infinite dilution of a strong electrolyte c...

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  4. Describe what would happen to an acidic aqueous Na(2)SO(4) solution a...

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  5. What are primary cells? How does a dry cell function?

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  6. What is meant by dry cell ? Give its working.

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  7. Explain the working of lead storage battery.

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  8. What do you mean by the term battery? What electrolyte is used in lea...

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  9. Write the cell reaction of a lead storage battery when it is discharge...

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  10. Describe the composition of anode and cathode in a mercury cell. Writ...

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  11. Write the cell reactions which occur in lead storage battery (i) when...

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  12. Write the overall reaction that occurs during use (discharging) of ni...

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  13. What are fuel cells ? Write the electrode reactions of a fuel cell wh...

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  14. How does rusting of iron take place ? Give its mechanism.

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  15. Write chemical equations and steps involved in the rusting of iron.

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  16. (a) Corrosion is essentially an electrochemical phenomenon. Explain th...

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  17. What is the main chemical constituent of rust? What are the controlli...

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  18. What is corrosion ? Describe the role of zinc in cathodic protection ...

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  19. What is corrosion ? How is cathodic protection of iron different from...

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  20. Why zinc coating protects iron more effectively than tin coating ? ...

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