Question

In the froth floatation process, for the beneficiation of ores, the ore particles float because ______________.

• A. they are light
• B. their surface is not easily wetted by water
• C. they bear electrostatic charge
• D. they are insoluble

Answer 1

Answer: (B)

their surface is not easily wetted by water

In the froth floatation process, for the benefaction of ores, the ore particles float because their surface is not easily wetted by water. This method is base on the difference in the wetting properties of ores and gangue particles with the water and oil.