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

  • A
    It helps in the wetting of sulphide ores by water.
  • B
    It helps in the preferential wetting of sulphide ores by oil,allowing them to rise with the froth.
  • C
    It causes the gangue particles to adsorb onto the surface of the oil bubbles.
  • D
    It has no role in the froth floatation process.

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Similar Questions

The correct option$(s)$ related to adsorption processes is(are):
$A$. Chemisorption results in a unimolecular layer.
$B$. The enthalpy change during physisorption is in the range of $100$ to $140 \ kJ \ mol^{-1}$.
$C$. Chemisorption is an endothermic process.
$D$. Lowering the temperature favors physisorption processes.

In the figure,a straight line is given for the Freundlich Adsorption isotherm equation $(y = mx + c)$,where the equation is $y = 0.3x + 0.7033$. The values of $\frac{1}{n}$ and $\log K$ are respectively:

Which of the following statements is correct?

Which graph represents the amount of chemisorption of a gas with temperature under constant pressure?

$A$ solid acts as an adsorbent because it has

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