Q. Which one of the following metals is extracted by a carbon reduction process?
A) Copper
B) Iron
C) Aluminium
D) Magnesium
Explanation
(b)
The less electropositive metals such as Fe, Zn, Sn etc are extracted from their oxides by reduction with carbon or coal.
${Fe}_{2}O_{3} + 3C \longrightarrow \ 2Fe + 3CO$
${Fe}_{2}O_{3} + 3CO \longrightarrow 2Fe + 3{CO}_{2}$
iron
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.