Question

The method based on the preferential wetting of sulphides ores by oil and gangue by water is ______.

विकल्प

• levigation

• magnetic separation

• leaching

• froth floatation

Answer 1

The method based on the preferential wetting of sulphides ores by oil and gangue by water is froth floatation.

Explanation:

Froth floatation utilizes pine oil to selectively wet and float sulphide ore particles away from water-wetted gangue.