In which of the following pair of metals, both are commercially extracted from their respective ...

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In which of the following pair of metals, both are commercially extracted from their respective ores by carbon reduction method?
(a) \( \mathrm{Zn}, \mathrm{Cu} \)
(b) \( \mathrm{Fe}, \mathrm{Cu} \)
(c) \( \mathrm{Sn}, \mathrm{Zn} \)
(d) \( \mathrm{Al}, \mathrm{Ag} \)
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