The ore that is concentrated by forth floatation process is: | Filo
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Class 12

Chemistry

Metallurgy

General Principles and Processes of Isolation of Elements

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The ore that is concentrated by forth floatation process is:

  1. cinnabar
  2. bauxite
  3. malachite
  4. zincite
Correct Answer: Option(a)
Solution: The froth floatation process is used for the concentration of the low-grade sulphide ores. The principal of this process is that gangue and ore particles have a different degree of wettability with water and pine oil.

As cinnabar is HgS, it is concentrated by froth floatation process.

Hence, the correct option is (A).
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general principles and processes of isolation of elements
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