The electroplating of $Cr$ is undertaken because:

Ampere hour is the unit of

Name the processes from which chlorine is obtained as a by-product. What will happen if an aqueous solution of $NaCl$ is subjected to electrolysis?

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.

During the electrolysis of copper sulphate aqueous solution using copper electrodes,the reaction taking place at the cathode is:

Which is the simplest electrolytic cell? Give a detailed note on it.