Pine oil used in froth floatation process acts as a :
Frother
Explanation for the correct options:
b) As a Frother:
Explanation for the incorrect options:
a) As a Water repellent:
It does not have the ability to act as a water-repellent.
c) As a Skimmer:
A skimmer is a device used to clean up oil spillage that is floating on a liquid surface.
d) None of these:
Pine oil functions as a frother.
Hence, option (b) is correct. Pine oil used in froth floatation process acts as a Frother.