Ampere hour is the unit of

During electrolysis of water,the volume of $O_2$ liberated is $2.24 \ dm^3$. The volume of hydrogen liberated,under same conditions,will be .............. $dm^3$.

Which one of the following materials conducts electricity?

Which one of the following reactions occurs at the anode in the Castner process of extracting sodium metal?

The main reason for not using a mercury electrolytic cell in $NaOH$ manufacture is that

Which compound gives the same product on electrolysis of fused metal salt and concentrated aqueous solution?