Electrolysis and Storage Batteries The average charging voltage for alkali cell is about 2.1 V 1 V 1.2 V 1.7 V 2.1 V 1 V 1.2 V 1.7 V ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries In alkaline cell the electrolyte is kOH NaOH concentrated sulphuric acid dilute sulphuric acid kOH NaOH concentrated sulphuric acid dilute sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The active material of the positive plates of silver-zinc batteries is lead oxide zinc powder lead silver oxide lead oxide zinc powder lead silver oxide ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The e.m.f. of an Edison cell, when fully charged, is nearly 1.4 V 2.5 V 1.8 V 2.0 V 1.4 V 2.5 V 1.8 V 2.0 V ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The watt-hour efficiency of a lead-acid cell varies between 70 to 80% 25 to 35% 90 to 95% 40 to 60% 70 to 80% 25 to 35% 90 to 95% 40 to 60% ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries When a lead-acid battery is in fully charged condition, the color of its positive plate is none of the listed here brown dark brown dark grey none of the listed here brown dark brown dark grey ANSWER DOWNLOAD EXAMIANS APP
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