Batteries and corrosion Test - Electrochemistry Class 12 Notes | EduRev

Class 12 : Batteries and corrosion Test - Electrochemistry Class 12 Notes | EduRev

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CBSE TEST PAPER-05 
CLASS - XII CHEMISTRY (Electrochemistry) 
Topic: - Batteries and corrosion. 
1. What do you mean by primary and secondary battery? [2] 
2. Name the cell used for low current devices like hearing aids, watches etc. Also give the
half cell reactions for such a cell? [2] 
3. Give the reaction taking place in lead storage battery when it is on charging? [1] 
4. A Leclanche cell is also called dry cell. Why? [1] 
5. Why is the voltage of a mercury cell constant during its working? [1] 
6. What are fuel cells? [1] 
7. What do you understand by corrosion? [1] 
8. Rusting of iron is quicker in saline water than in ordinary water .Explain? [2] 
9. Name two metals than can be used for cathodic protection of iron? [1] 
10. Enlist the factors affecting corrosion? [2] 
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