Electrolysis and Storage Batteries During the charging of a lead-acid cell 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 it gives out energy ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries In constant-current charging method, the supply voltage from discharged to fully charged condition remains constant increases none of the listed here decreases remains constant increases none of the listed here decreases ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The storage battery generally used in electric power station is lead-acid battery none of the listed here zinc-carbon battery nickel-cadmium battery lead-acid battery none of the listed here zinc-carbon battery nickel-cadmium battery ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries When two batteries are connected in parallel, it should be ensured that they have same e.m.f. they have same make they have identical internal resistance they have same ampere-hour capacity they have same e.m.f. they have same make they have identical internal resistance they have same ampere-hour capacity ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Battery container should be acid resistance, therefore it is made up of All of the listed here Wood Glass Plastic All of the listed here Wood Glass Plastic ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The active materials of a nickel-iron battery are powdered iron and its oxide nickel hydroxide all of these 21% solution of kOH powdered iron and its oxide nickel hydroxide all of these 21% solution of kOH ANSWER DOWNLOAD EXAMIANS APP