Match the following
\begin{tabular}{ll}
\hline Column-I & Column-II \\
\hline
\end{tabular} Castner Kellner (p) 1
(a) $\mathrm{MgCl}_{2} .5 \mathrm{MgO} \cdot \mathrm{xH}_{2} \mathrm{O}$
a) C:
p) cell Pearl ash -
(b) b) $\mathrm{P}$
(q) 7) $\mathrm{K}_{2} \mathrm{CO}_{3}$ Solvay's process
(r) Manufacture of $\mathrm{NaHCO}_{3}$
(c) c) So )
(d) $\mathrm{S}$
(s) Manufacture of $\mathrm{NaOH}$