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?

Which one of the following materials conducts electricity?

When acidulated water ($dil. H_{2}SO_{4}$ solution) is electrolysed,will the $pH$ of the solution be affected? Justify your answer.

On electrolysis,which of the following does not give out oxygen?

The passage of current liberates $H_2$ at cathode and $Cl_2$ at anode. The solution is