When a lead storage battery is discharged,

$A$ fuel cell uses $CH_4$ gas and it forms $CO_3^{2-}$ at the anode. It is used to power a car with $96.5 \ A$ for $10000 \ s$. The volume of $CH_4$ gas required at $1 \ atm$ and $273 \ K$ is $............ \ L$.

$A$ solution of copper sulphate may be kept safely in the container made up of

Hydrogen-oxygen fuel cells are used in spacecraft to supply:

When a lead storage battery is charged,it acts as a:

Write a note on lead storage cell (battery).