5. In froth flotation, what role does the revolving paddle play? a) Enhances wettability of gangue particles b) Stabilises the froth c) Draws in air causing frothing d) Enhances non-wettability of the ore particles
Answer: c Explanation: The rotating paddle in the froth flotation process violently agitates the suspension of powdered ore in water, as well as the collectors and froth stabilisers, generating frothing.