1.

The carbon reduction method is not used for the extarection of (i) Tin from `SuO_(2)` (ii) Iron from `Fe_(2)O_(3)` (iii) aluminium for `Al_(2)O_(3)` (iv) megnesium from `MgCO_(3).CaCO_(3)`A. (i),(ii)B. (iii),(iv)C. (i),(iv)D. (ii),(iv)

Answer» Correct Answer - b
`Fe_(2)O_(3) 3C rarr 2FE + 3CO`
`SnO_(2) + 2C rarr So + 2CO`


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