The carbon-based reduction method is NOT used for the extraction of

Tin from $S n O_{2}$

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Iron from $F e_{2} O_{3}$

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Aluminum from $A l_{2} O_{3}$

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Magnesium from MgC $O_{3} . C a C O_{3}$

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Solution

The correct options are
C
Aluminum from $A l_{2} O_{3}$

D
Magnesium from MgC $O_{3} . C a C O_{3}$

The oxides of the less electropositive metals are reduced by strongly heating them with coke. Both Iron and Tin oxides can be profitably smelted using Carbon. Aluminium is extracted by the molten electrolysis (non-aqueous) of alumina with fluorspar and cryolite.
Likewise, molten salt electrolysis of MgCl2 yields metallic Magnesium.

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The carbon – based reduction method is not used for the extraction of

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