Electrolysis and Storage Batteries When the specific gravity of the electrolyte of a lead-acid cell is reduced to 1.1 to 1.15 the cell is in charged state discharged state none of the listed here active state charged state discharged state none of the listed here active state 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 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 ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Weston standard cell at 20°C has voltage of ____ volts. 1.5 1.0187 1.2 0.8 1.5 1.0187 1.2 0.8 ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Which of the following primary cells has the lowest voltage ? Mercury Zinc-chloride Carbon-zinc Lithium Mercury Zinc-chloride Carbon-zinc Lithium ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The watt-hour efficiency of a lead-acid cell varies between 90 to 95% 40 to 60% 25 to 35% 70 to 80% 90 to 95% 40 to 60% 25 to 35% 70 to 80% ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Which of the following is incorrect? A storage cell has a reversible chemical reaction A carbon-zinc cell has unlimited shelf life A lead-acid cell can be recharged A primary cell has an irreversible chemical reaction A storage cell has a reversible chemical reaction A carbon-zinc cell has unlimited shelf life A lead-acid cell can be recharged A primary cell has an irreversible chemical reaction ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS