Question

The froth-floatation process is based upon:

• A. the difference in the specific gravity of ore and gangue particles
• B. the magnetic properties of gangue and ore
• C. preferential wetting of gangue particles by oil
• D. preferential wetting of ore particles by oil
• E. the solubility of ore particles in suitable reagent

Answer 1

Answer: (D)

The froth-floatation process is based upon the preferential wetting of ore particles by oil.