Carbon rod in a dry cell acts as anode, which is insulated from the cathode by
A
The use of polariser
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B
Local action
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C
Means of a tar paper washer
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D
Both (1) and (2)
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Solution
The correct option is C Means of a tar paper washer Carbon rod in a dry cell acts as an anode, which is insulated from the cathode by means of tar paper washer