Which of the following pairs is not correctly matched with respect to the extraction of metals from their ores ?

Options

A. Leaching process-Silver and gold from their native ores
B. Self reduction-Copper and mercury from their sulphide ores
C. Carbon / carbonmonoxide reduction- Iron and zinc from their oxide ores.
D. Electrolytic reduction-Aluminium and tin from their oxide ores

Answer

D

Explanation

Tin is obtained form its ore cassiterite , `SnO_2` by carbon reduction.