Electrolysis and Storage Batteries During the charging of a lead-acid cell it gives out energy its cathode becomes dark chocolate brown in colour its voltage increases specific gravity of H₂SO₄ decreases it gives out energy its cathode becomes dark chocolate brown in colour its voltage increases specific gravity of H₂SO₄ decreases ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The ampere-hour efficiency of a leadacid cell is normally between 70 to 75% 20 to 35% 80 to 85% 90 to 95% 70 to 75% 20 to 35% 80 to 85% 90 to 95% ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The ratio of ampere-hour efficiency to watt-hour efficiency of a lead-acid cell is always greater than one always less than one none of the listed here just one always greater than one always less than one none of the listed here just one ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Following will happen if battery charging rate is too high excessive gassing will occur all of the listed here bulging and buckling of plates will occur temperature rise will occur excessive gassing will occur all of the listed here bulging and buckling of plates will occur temperature rise will occur ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Which of the following cell has a reversible chemical reaction ? Mercury oxide Lead-acid Carbon-zinc Silver-oxide Mercury oxide Lead-acid Carbon-zinc Silver-oxide ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Level of electrolyte in a cell should be _____ the level of plates equal to below above none of the listed here equal to below above none of the listed here ANSWER DOWNLOAD EXAMIANS APP