Question

The process by which sulphur is removed from sulphide ores by heating is called ______.

विकल्प

• Smelting

• Roasting

• Fluxing

• Calcination

Answer 1

The process by which sulphur is removed from sulphide ores by heating is called Roasting.

Explanation:

Roasting is specifically defined as heating concentrated sulphide ores strongly in a continuous supply of excess air to convert them into oxides while volatile sulfur escapes as (SO₂) gas.