The ore that is concentrated by froth floatation process is
Show Hint
- zincite
- cinnabar
- bauxite
- malachite
The Correct Option is B
Solution and Explanation
Froth floatation is used primarily to concentrate sulphide ores based on the differential wetting properties of the ore and gangue.
Step 2: Analysis
- Zincite ($ZnO$) is an oxide ore.
- Bauxite ($Al_{2}O_{3}\cdot2H_{2}O$) is an oxide ore.
- Malachite [$CuCO_{3}\cdot Cu(OH)_{2}$] is a carbonate ore.
Step 3: Identification
Cinnabar ($HgS$) is a sulphide ore.
Step 4: Conclusion
Therefore, cinnabar is concentrated using the froth floatation process.
Final Answer: (b)
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