Pine oil used in froth floatation technique acts as a/an_____________________?
Correct answer: B. Frother
- A. Collector
- B. Frother
- C. Modifier
- D. Activator
Explanation
Pine oil lowers the surface tension of the pulp and helps produce a stable froth, so it acts as a frother. Collectors make selected mineral particles hydrophobic, while activators and modifiers alter flotation selectivity.
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