Electrolysis and Storage Batteries The effect of sulphation is that the internal resistance increases none of the listed here remains same decreases increases none of the listed here remains same decreases ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Life of the batteries is in the following ascending order. Lead-acid cell, Nickel-cadmium cell, Edison cell Edison cell, Nickel-cadmium cell, lead-acid cell Nickel-cadmium cell, Edison cell, lead-acid cell Lead-acid cell, Edison cell, Nickel cadmium cell Lead-acid cell, Nickel-cadmium cell, Edison cell Edison cell, Nickel-cadmium cell, lead-acid cell Nickel-cadmium cell, Edison cell, lead-acid cell Lead-acid cell, Edison cell, Nickel cadmium cell ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The internal resistance of an alkali cell is nearly _____ times that of the lead-acid cell. 2 4 5 3 2 4 5 3 ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries During the charging and discharging of a nickel-iron cell water is neither formed nor absorbed corrosive fumes are produced its e.m.f. remains constant nickel hydroxide remains unsplit water is neither formed nor absorbed corrosive fumes are produced its e.m.f. remains constant nickel hydroxide remains unsplit ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Undercharging Increases the temperature Increases specific gravity of the electrolyte Produces excessive gassing Reduces specific gravity of the electrolyte Increases the temperature Increases specific gravity of the electrolyte Produces excessive gassing Reduces specific gravity of the electrolyte ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries For a cell to work, which of the following condition(s) become necessary ? Electrolyte liquid or paste should be conducting All of the listed here Electrolyte must chemically react with one of the electrodes Two electrodes of different meta’s should be inserted in the electrolyte, not touching each other Electrolyte liquid or paste should be conducting All of the listed here Electrolyte must chemically react with one of the electrodes Two electrodes of different meta’s should be inserted in the electrolyte, not touching each other ANSWER DOWNLOAD EXAMIANS APP