Which one of the following metals can be extracted by aluminothermic process?

Manganese

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Iron

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Chromium

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Magnesium

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Solution

The correct options are
A Manganese
B Iron
C Chromium
Manganese, iron and chromium can be extracted by aluminothermic process.
In this process, aluminum is used as the reducing anent and high temperature is used.
For example aluminum reduces iron oxide to iron.
$F e_{2} O_{3} + 2 A l 2 F e + A l_{2} O_{3}$

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