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Write the name of the cell which is gene...

Write the name of the cell which is generally used in hearing aids. Write the reactions taking place at the anode and the cathode of this cell.

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PRADEEP-ELECTROCHEMISTRY-ADDITIONAL QUESTIONS(SHORT ANSWER QUESTIONS)
  1. (a). Explain why electrolysis of an aqueous solution of NaCl gives H(2...

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  2. Draw a neat and labelled diagram for H(2)-O(2) fuel cell. Write the re...

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  3. Write the name of the cell which is generally used in hearing aids. Wr...

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  4. What type of a battery is lead storage battery? Write the anode and th...

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  5. Give following information about 'Nickel-Cadmium storage cell': (i) ...

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  6. What is mercury cel? Give the electrode reaction?

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  7. What is an electric cell ? What is a primary and a secondary cell ?

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  8. Which of the following reactions occurs at the anode during the rechar...

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  9. What is the basis of working of a fuel cell?

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  10. EMF of an H(2)-O(2) fuel cell

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  11. What is a fuel cell ? Write its one advantage over other ordinary cell...

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

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  13. What do you understand by corrosion? Give one example of corrosion.

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  14. Name the following: Metal used to galvanise iron to protect it from...

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  15. What is corrosion? Explain any four factors affecting corrosion.

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  16. Explain any three methods used for preventing Corrosion of metals?

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  17. Rusting of Fe is quicker in saline water than in ordinary water.

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  18. Which metals can be used in the cathodic protection of Fe against rust...

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  19. Why does not iron rust even if zinc coating is broken in a galvanised ...

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  20. Give reason : (i) Rusting of iron pipe can be prevented by joining i...

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