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A lead storage battery is the most important type of secondary cell having a lead anode and a grid of lead packed with PbO_(2) as cathode. A 38% solution of sulphuric acid is used as electrolyte. (Density = 1.294 g mL^(-1)) The battery holds 35L of the acid. During the discharge of the battery, the density of H_(2)SO_(4) falls to 1.138 g mL^(-1). (20%H_(2)SO)_(4) by mass)Lead storage battery is considered a secondary cell. Why ? Write the product battery is considered a secondary cell. Why?

Answer»


SOLUTION : This is because it can be RECHARGED after USE.


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