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Chemistry
Among the following cells Leclanche cell (I), Nickel cadmium cell (II), Lead storage battery (III), Mercury cell (IV), primary cells are
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Q. Among the following cells Leclanche cell (I), Nickel cadmium cell (II), Lead storage battery (III), Mercury cell (IV), primary cells are
KEAM
KEAM 2010
Electrochemistry
A
I and II
16%
B
II and IV
18%
C
II and III
27%
D
I and IV
37%
E
III and IV
37%
Solution:
A primary cell is a battery that is designed to be used once and discarded, and not recharged with electricity and reused.
Leclanche cell and Mercury cell are primary cells whereas Nickle-Cadmium cell and Lead Storage battery are secondary cells.