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JEE Main 2019 Chemistry question

ChemistryGeneral Principles and Processes of Isolation of Elements (Metallurgy)JEE Main 2019

Not in JEE Main or NEET syllabus

The idea of froth floatation method came from a person X and this method is related to the process Y of ores. X and Y, respectively, are:

Answer: (A)

Solution

As per NCERT, a washerwoman; used for concentration of sulphide ores.

Question ID VK-010150