The use of electrolysis is:

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 .............. $dm^3$.

When an aqueous solution of sodium sulfate $(Na_2SO_4)$ is electrolyzed using platinum electrodes,what are the products at the cathode and anode,respectively?

What is electrolysis? What can be produced with the help of electrolysis?

Which species is obtained at the anode during the electrolysis of an aqueous solution containing a higher concentration of $H_2SO_4$?

When an aqueous solution of sodium sulfate $(Na_2SO_4)$ is electrolyzed,what are the products obtained at the cathode and anode,respectively?