Q
Froth floatation is used for_________________?
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A
A. Washing fine coal dust (< 0.5 mm size)
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B
B. Washing lump coal (> 80 mm size)
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C
C. Removing ash from the coal based on difference in specific gravity of coal and ash
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D
D. All a., b. and c.
Correct Answer:
A. A. Washing fine coal dust (< 0.5 mm size)
