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
Electrolysis and Storage Batteries Which of the following has lower sp. gravity V Concentrated H₂SO₄ Water Dilute H₂SO₄ All of the listed here Concentrated H₂SO₄ Water Dilute H₂SO₄ All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The active materials of a nickel-iron battery are nickel hydroxide all of these powdered iron and its oxide 21% solution of kOH nickel hydroxide all of these powdered iron and its oxide 21% solution of kOH ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries All the electrical connections between the battery and vehicle should be by thin aluminium wires thin copper wires rigid cables flexible cables thin aluminium wires thin copper wires rigid cables flexible cables ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Which of the following cell has a reversible chemical reaction ? Mercury oxide Carbon-zinc Silver-oxide Lead-acid Mercury oxide Carbon-zinc Silver-oxide Lead-acid ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries On overcharging a battery None of these It will raise the specific gravity of the electrolyte It will increase the capacity of the battery It will bring about chemical change in active materials None of these It will raise the specific gravity of the electrolyte It will increase the capacity of the battery It will bring about chemical change in active materials ANSWER DOWNLOAD EXAMIANS APP