The electrolysis of a certain liquid resulted in the formation of hydrogen at the cathode and chlorine at the anode. The liquid is

Identify True $(T)$ or False $(F)$ for the following statements :
$(i)$ In electrolytes,current flows due to electron displacement.
$(ii)$ When current flows from metal,the composition of the metal changes.
$(iii)$ Due to the passage of $DC$ current through the electrolytic solution,a reaction occurs.

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

In the $Castner-Kellner$ cell for the production of sodium hydroxide,which of the following occurs?

When sodium chloride solution is electrolysed,the gas that is liberated at the cathode is

Which of the following elements is extracted industrially by the electrolysis of its aqueous solution?