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The idea of froth floatation method came...

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 man and reduction

B

Washer woman and concentration

C

Fisher woman and concentration

D

Fisher man and reduction

Text Solution

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The correct Answer is:
B
Washer woman discovered froth floatation method which is used for the concentration of metal.
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