Electrolysis and Storage Batteries Which of the following is incorrect? A primary cell has an irreversible chemical reaction A carbon-zinc cell has unlimited shelf life A storage cell has a reversible chemical reaction A lead-acid cell can be recharged A primary cell has an irreversible chemical reaction A carbon-zinc cell has unlimited shelf life A storage cell has a reversible chemical reaction A lead-acid cell can be recharged ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries In a lead-acid cell, if the specific gravity of sulphuric acid is 1.8, it will require following ratio of acid to water to get mixture of specific gravity of 1.3 4 parts of acid to 6 parts of water 4 parts of acid to 8 parts of water 6 parts of acid to 4 parts of water 4 parts of acid to 4 parts of water 4 parts of acid to 6 parts of water 4 parts of acid to 8 parts of water 6 parts of acid to 4 parts of water 4 parts of acid to 4 parts of water ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Weston standard cell at 20°C has voltage of ____ volts. 1.5 0.8 1.2 1.0187 1.5 0.8 1.2 1.0187 ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Self charge of a Ni-Fe cell is _____ Edison cell. Much more than Less than Equal to More than Much more than Less than Equal to More than ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries On overcharging a battery It will bring about chemical change in active materials It will raise the specific gravity of the electrolyte It will increase the capacity of the battery None of these It will bring about chemical change in active materials It will raise the specific gravity of the electrolyte It will increase the capacity of the battery None of these ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The ampere-hour efficiency of a leadacid cell is normally between 80 to 85% 20 to 35% 90 to 95% 70 to 75% 80 to 85% 20 to 35% 90 to 95% 70 to 75% ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS