Question: The carbon-based reduction method is not used for the extraction of: (a) Tin from SnO2 (b) Iron from Fe2O3 (c) Aluminium from Al2O3 (d) Magnesium

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

(a) Tin from SnO2

(b) Iron from Fe2O3

(c) Aluminium from Al2O3

(d) Magnesium from CaCO3

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