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Which of the following is used as a stabilizer during the concentration of sulphide ores?
In froth floatation process for concentration of sulphide ores:
- Collectors (like pine oils, fatty acids, xanthates) enhance the non-wettability of the mineral particles.
- Frothers help in forming a stable froth.
- Stabilizers stabilize the froth. Cresols are used as stabilizers.
Pine oils and xanthates are collectors, not stabilizers.
The correct answer is Option 4: Cresols.
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