Question

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. fisher woman and concentration
• B. washer man and reduction
• C. washer woman and concentration
• D. fisher man and reduction

Answer 1

Answer: (C)

washer woman and concentration

Answer 2

The idea of froth floatation method came from washerwoman and this process is related to concentration of sulphide ores.