Idea of froth floatation method came from a person X and this method is related to process Y of ores

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General Principles and processes of Isolation of Elements

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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

A

washer woman and concentration

B

fisher woman and concentration

C

fisher man and reduction

D

washer man and reduction

(JEE MAIN-2019)

Solution

Concentration(on dressing), i.e. washing of ore

Standard 12

Chemistry

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