Which is not correctly matched? \( \begin{array}{lll}\text { (a) Spiegleisan } & : & \mathrm{Mn}...

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Which is not correctly matched?
\( \begin{array}{lll}\text { (a) Spiegleisan } & : & \mathrm{Mn}+\mathrm{Fe}+\mathrm{C} \\ \text { (b) Dow's sea water process } & : & \mathrm{Ca}(\mathrm{OH})_{2} \\ \text { (c) Parke's process } & : & \mathrm{Ag} \\ \text { (d) Liquation } & : & \text { spelter (Impure } \mathrm{Zn} \text { ) }\end{array} \)
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