General Principles and Processes of Isolation of Elements
Which of the following pairs are not correctly matched with respect to the extraction of metals from their ores
- Leaching process- Silver and gold from their native ores.
- Self reduction-Copper and mercury from their sulphide ores.
- Carbon / carbonmonoxide reduction - Iron and zinc from their oxide ores.
- Electrolytic reduction - Aluminium and tin from their oxide ores.
Correct Answer: Option(d)