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Solution


Q.

The metals that are employed in the battery industries are
A.  Fe
B.  Mn
C.  Ni
D.  Cr
E.  Cd

Choose the correct answer from the options given below:          [2024]
1 A, B, C and D only  
2 B, C and E only  
3 B, D and E only  
4 A, B, C, D and E  

Ans.

(2)

(B) Dry cell (known as Leclanche cell) consists of a zinc container which also acts as anode and the cathode is a carbon (graphite) rod surrounded by powdered manganese dioxide and carbon.

(C) (E) Nickel-cadmium cell is a secondary battery.