Question

General method for the extraction of metal from oxide ore is.

• A. Carbon reduction
• B. Reduction by aluminium
• C. Reduction by hydrogen
• D. Electrolytic reduction

Answer 1

Answer: (A)

Carbon reduction

Answer 2

Carbon reduction,

$\mathrm { Fe } _ { 2 } \mathrm { O } _ { 3 } + 3 \mathrm { C } \rightarrow 2 \mathrm { Fe } + 3 \mathrm { CO }$