Electrolysis and Storage Batteries During the charging of a lead-acid cell it gives out energy its voltage increases specific gravity of H₂SO₄ decreases its cathode becomes dark chocolate brown in colour it gives out energy its voltage increases specific gravity of H₂SO₄ decreases its cathode becomes dark chocolate brown in colour ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Negative plate of an Edison cell is made of copper iron silver oxide lead copper iron silver oxide lead ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries During discharge, the active material of both the positive and negative plates is changed to Pb Pb02 PbS04 PbS02 Pb Pb02 PbS04 PbS02 ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries It is noticed that durum charging all of these the anode becomes chocolate brown in colour (PbCfe) and cathode becomes grey metallic lead (Pb) energy is absorbed by the cell there is a rise in voltage all of these the anode becomes chocolate brown in colour (PbCfe) and cathode becomes grey metallic lead (Pb) energy is absorbed by the cell there is a rise in voltage ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Hydrogen evolved during charging produces explosive mixture when it is more than 8 % 5 % 6 % 10 % 8 % 5 % 6 % 10 % ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Local action in a battery is indicated by excessive gassing under load conditions none of the listed here both of the listed here excessive drop in the specific gravity of electrolyte even when the cell is on open circuit excessive gassing under load conditions none of the listed here both of the listed here excessive drop in the specific gravity of electrolyte even when the cell is on open circuit ANSWER DOWNLOAD EXAMIANS APP