a
introducing an oxidising agent into the acid
b
not drawing current continuously for long periods
c
amalgamating the surface of the zinc plate
d
using a porous pot to isolate the zinc plate from the acid
e
using dilute sulphuric acid
Explanation
Correct Option
cNo explanation available
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Luping
2 years ago
Local action is caused by presence of impurities in zinc plates electrodes. Impurities also increase the resistance of the electrode, hence preventing free flow of current. Local action can be prevented by a process called amalgamation
