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General Principles and Processes of Isolation of Elements — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistryGeneral Principles and Processes of Isolation of Elements1 Mark
MCQ
The froth floatation process is used for the concentration of:
  • ✓
    Ore having low density.
  • B
    Ore having magnetic nature.
  • C
    Ore having high density.
  • D
    Ore having water soluble gangue.
✓

Answer

Correct option: A.
Ore having low density.
The froth floatation process is used for the concentration of ore having low density as the metallic ore particles are preferentially wetted by the oil and rise to the surface along with the froth.

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