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JEE Advance 2013
Paper-2
Multiple correct answers - Select all that apply
Question
The carbon-based reduction method is NOT used for the extraction of
Select ALL correct options:
A
tin from $\mathrm{SnO}_2$
B
iron from $\mathrm{Fe}_2 \mathrm{O}_3$
C
aluminium from $\mathrm{Al}_2 \mathrm{O}_3$
D
magnesium from $\mathrm{MgCO}_3, \mathrm{CaCO}_3$
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
⚠ Partially correct. Some answers are missing.
Solution
$\mathrm{SnO}_2$ and $\mathrm{Fe}_2 \mathrm{O}_3$ are reduced by C reduction method.

$\mathrm{Al}_2 \mathrm{O}_3$ and $\mathrm{MgCO}_3 . \mathrm{CaCO}_3$ are reduced by electrolytic reduction.
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