Electrolysis and Storage Batteries For a cell to work, which of the following condition(s) become necessary ? All of the listed here Electrolyte liquid or paste should be conducting Two electrodes of different meta’s should be inserted in the electrolyte, not touching each other Electrolyte must chemically react with one of the electrodes All of the listed here Electrolyte liquid or paste should be conducting Two electrodes of different meta’s should be inserted in the electrolyte, not touching each other Electrolyte must chemically react with one of the electrodes ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries During the charging and discharging of a nickel-iron cell nickel hydroxide remains unsplit corrosive fumes are produced its e.m.f. remains constant water is neither formed nor absorbed nickel hydroxide remains unsplit corrosive fumes are produced its e.m.f. remains constant water is neither formed nor absorbed ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries When two batteries are connected in parallel, it should be ensured that they have same ampere-hour capacity they have same e.m.f. they have identical internal resistance they have same make they have same ampere-hour capacity they have same e.m.f. they have identical internal resistance they have same make ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The best indication about the state of charge on a lead-acid battery is given by specific gravity of electrolyte none of the listed here output voltage temperature of electrolyte specific gravity of electrolyte none of the listed here output voltage temperature of electrolyte ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Weston standard cell at 20°C has voltage of ____ volts. 1.5 1.0187 0.8 1.2 1.5 1.0187 0.8 1.2 ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries During the charging of a lead-acid cell its cathode becomes dark chocolate brown in colour its voltage increases it gives out energy specific gravity of H₂SO₄ decreases its cathode becomes dark chocolate brown in colour its voltage increases it gives out energy specific gravity of H₂SO₄ decreases ANSWER DOWNLOAD EXAMIANS APP