Question

In froth floatation process, ______ is wetted by the oil and _____ is wetted by the water.

• A. mineral, ore
• B. ore, gangue
• C. gangue, ore
• D. mineral, gangue

Answer 1

The correct option is B

ore, gangue

Froth floatation process is used for the concentration of sulphide ores.

The major principles behind the froth flotation process are:

1) ore particles are wetted by the oil and floats as froth.

2) gangue particles is wetted by the water present in the mixture and it settles down.