In froth floatation process for concentration of ores, the ore particles float because

In froth floatation process for concentration of ores, the ore particles float because
  1. They are light
  2. Their surface is not easily wetted by water
  3. They are insoluble in water
  4. They are charged

Solution

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Asked in: AP EAMCET 2020 (07 Oct Special)

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