Question
Write the principles of the following methods:
  1. Froth floatation method.
  2. Electrolyticrefining.

Answer

  1. Froth floatation method: This is based upon the preferential wetting of mineral/ore particles by oil while the gangue particles by water.
  2. Electrolytic refining: Is based on the principle of deposition of pure metal on cathode.

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