Chromium is obtained by reducing purified chromite ore with :

Red hot coke

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Aluminium powder

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Gaseous hydrogen

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Carbon monoxide

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Solution

The correct option is B Aluminium powder
$C r_{2} O_{3} + 2 A l \to 2 C r + A l_{2} O_{3}$

Chromium is obtained by reducing purified chromite ore with Aluminium Powder.It is a simple displacement reaction in which the oxygen attaches itself to the aluminium to produce Chromium. This reaction is used in the industries and labs to refine Chromium from its Ores.

Hence the correct answer is option B.

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