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From the given cells : Answer the f...

From the given cells :
Answer the following :
(i) Which cell is used in hearing aids?
(ii) Which cell was used in Apollo Space Programme?
(iii) Which cell is used in automobiles and inverters?
(iv) Which cell does not have long life?

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`H_(2)-O_(2)` fuel cell. The product obtained, i.e., water was used for drinking by the astronauts.
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ICSE-ELECTROCHEMISTRY-EXERCISE (PART-II Descriptive Questions)
  1. When a lead storage battery is discharged:

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  2. What is the underlying principle that a lead storage battery can be r...

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  3. From the given cells : Answer the following : (i) Which cell ...

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  4. How fluoride can be converted to fluorine?

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  5. Galvanization is applying a coating of:

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  6. What is the efficiency of a fuel cell? What is the use of fuel cell ?

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  7. Write electrode reactions taking place in Ni-Cd cell. Is it primary o...

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  8. Name the electrolyte used in dry cell.

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  9. The overall reactions of a hydrogen -oxygen fuel cell is

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  10. Write the name of the electrolyte used in fuel cell.

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  11. Write the name of the electrolyte used in mercury cell.

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  12. Write the names of the electrodes used in fuel cell.

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  13. Give an example of fuel cell.

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  14. How does fuel cell operate?

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  15. State two advantages of H(2)-O(2) fuel cell over ordinary cell.

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  16. Define corrosion. What is the chemical formula of rust?

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  17. How does cathodic protection of iron operate ?

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  18. Which type of metal can be used in cathodic protection of iron agains...

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  19. What would happen if the protective tin coating over an iron bucket i...

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  20. State the factors that influence the value of cell potential of the f...

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