The carbon reduction method is not used for the extarection of  (i) Tin from `SuO_(2)`  (ii) Iron
Channel: Doubtnut
Date: 2020-08-30

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)`