Electrolysis and Storage Batteries If a lead-acid cell is discharged below 1.8 V the following will happen. Sulphation of plates will occur Capacity of cell will reduce All of the listed here Internal resistance will increase Sulphation of plates will occur Capacity of cell will reduce All of the listed here Internal resistance will increase 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 identical internal resistance they have same ampere-hour capacity they have same make they have same e.m.f. they have identical internal resistance they have same ampere-hour capacity they have same make ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The active materials on the positive and negative plates of a fully charged lead-acid battery are lead sulphate and lead lead and lead peroxide None of these lead peroxide and lead lead sulphate and lead lead and lead peroxide None of these lead peroxide and lead ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The output voltage of a charger is higher than the battery voltage the same as the battery voltage less than the battery voltage none of the listed here higher than the battery voltage the same as the battery voltage less than the battery voltage none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries In a battery cover is placed over the element and sealed to the top of the battery container. This is done None of the listed here to reduce evaporation of water from electrolyte to exclude dirt and foreign matter from the electrolyte Both of the listed here None of the listed here to reduce evaporation of water from electrolyte to exclude dirt and foreign matter from the electrolyte Both of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Which of the following is incorrect? A primary cell has an irreversible chemical reaction A storage cell has a reversible chemical reaction A lead-acid cell can be recharged A carbon-zinc cell has unlimited shelf life A primary cell has an irreversible chemical reaction A storage cell has a reversible chemical reaction A lead-acid cell can be recharged A carbon-zinc cell has unlimited shelf life ANSWER DOWNLOAD EXAMIANS APP