Electrolysis and Storage Batteries The active materials of a nickel-iron battery are powdered iron and its oxide nickel hydroxide 21% solution of kOH all of these powdered iron and its oxide nickel hydroxide 21% solution of kOH all of these ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The body of Edison cell is made of aluminium rubber bakelite nickel plated steel aluminium rubber bakelite nickel plated steel ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Petroleum jelly is applied to the electrical connections to the lead-acid battery reduce path resistance prevent short-circuiting prevent corrosion prevent local heating reduce path resistance prevent short-circuiting prevent corrosion prevent local heating ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries During the charging of a lead-acid cell specific gravity of H₂SO₄ decreases it gives out energy its voltage increases its cathode becomes dark chocolate brown in colour specific gravity of H₂SO₄ decreases it gives out energy its voltage increases its cathode becomes dark chocolate brown in colour ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The capacity of a lead-acid cell depends on Density of electrolyte All of these Rate of discharge Temperature Density of electrolyte All of these Rate of discharge Temperature ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Extent of corrosion in the underground metal work depends upon amount of moisture type of soil chemicals all of these type of metals amount of moisture type of soil chemicals all of these type of metals ANSWER DOWNLOAD EXAMIANS APP