Question

Concentration is also called “Ore dressing” or “Benefaction”. True or False?

• A. True
• B. False

Answer 1

The correct option is A

True

Concentration: The metallic ores obtained from the earth’s crust also consists of impurities like organic matter, non-metallic compounds, and other rocky materials like clay, limestone etc. These impurities are collectively known as gangue or matrix. Removal of gangue particles from the ore is called concentration. Other names such as benefaction or ore dressing are also used in place of concentration.