The metal which cannot be produced on reduction of its oxide by alu...

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The metal which cannot be produced on reduction of its oxide by aluminium is
(A) \( \mathrm{K} \)
(B) \( \mathrm{Mn} \)
(C) \( \mathrm{Cr} \)
(D) \( \mathrm{Fe} \)
\( \mathrm{P} \)
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