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Applications of adsorption - class-XII

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Multiple Choice

What is the role of adsorption in froth floatation process used especially for concentration of sulphide ores?

  1. Shape selective catalysts
  2. Adsorption of pine oil on sulphide ore particles
  3. Adsorption of pine oil on impurities
  4. Production of heat in the process of exothermic reaction
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