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  4. For which of the following ores froth floatation method is used for concentration?

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Q. For which of the following ores froth floatation method is used for concentration?

General Principles and Processes of Isolation of Elements

Solution:

Froth floatation method is used for removing gangue from sulphide ores. In this process, a suspension of the powdered ore is made with water Among the given options Zinc blend (ZnS) is the only sulphide ore and hence Froth floatation process is used for its concentration.