$(i)$ Name the products obtained in the chlor-alkali process.
$(ii)$ Name the gases liberated at the anode and at the cathode,respectively.
$(iii)$ Name the solution which is used as raw material in this process.

(N/A) $(i)$ The products obtained in the chlor-alkali process are chlorine gas $(Cl_2)$,hydrogen gas $(H_2)$,and sodium hydroxide $(NaOH)$ solution.
$(ii)$ Chlorine gas $(Cl_2)$ is liberated at the anode,and hydrogen gas $(H_2)$ is liberated at the cathode.
$(iii)$ The solution used as raw material in this process is brine,which is an aqueous solution of sodium chloride $(NaCl)$.