Electrolysis and Storage Batteries Excessive charging a battery tends to to corrode the positive plates into lead peroxide thereby weakening them physically bring about all above changes increase the internal resistance of the battery produce gassing to corrode the positive plates into lead peroxide thereby weakening them physically bring about all above changes increase the internal resistance of the battery produce gassing ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The capacity of a lead-acid cell does not depend on its temperature quantity of active material rate of charge rate of discharge temperature quantity of active material rate of charge rate of discharge ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries During the charging and discharging of a nickel-iron cell its e.m.f. remains constant nickel hydroxide remains unsplit corrosive fumes are produced water is neither formed nor absorbed its e.m.f. remains constant nickel hydroxide remains unsplit corrosive fumes are produced water is neither formed nor absorbed ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Under normal charging rate, the charging current should be 40% of capacity 20% of capacity 30% of capacity 10% of capacity 40% of capacity 20% of capacity 30% of capacity 10% of capacity ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The active materials on the positive and negative plates of a fully charged lead-acid battery are lead sulphate and lead lead and lead peroxide None of these lead peroxide and lead lead sulphate and lead lead and lead peroxide None of these lead peroxide and lead ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Which of the following cell has a reversible chemical reaction ? Mercury oxide Silver-oxide Carbon-zinc Lead-acid Mercury oxide Silver-oxide Carbon-zinc Lead-acid ANSWER DOWNLOAD EXAMIANS APP
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