Extraction of Metals - Result Question 2
2. 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
(2019 Main, 12 April I)
(a) fisher woman and concentration
(b) washer woman and concentration
(c) fisher man and reduction
(d) washer man and reduction
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Answer:
Correct Answer: 2. (b)
Solution:
- The idea of froth floatation method came from a person ‘washer woman’ $(X)$ and this method is related to the process concentration $(Y)$ of ores.
This method is based upon the preferential wetting properties with the frothing agent (collector) and water.
BETA
