Froth floatation process for the concentration of ores is an illustration of the practical application of

(a) adsorption

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(b) absorption

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(d) sedimentation

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Solution

The correct option is A
(a) adsorption

Adsorption: it is a surface phenomenon used in the concentration of ores.
Froth floatation process: It is a process of concentrating the ore in which minerals are separated from impurities by adsorbing them from fluid to solid surface.
So adsorption process is used in the froth floatation of ore.

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