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Froth floatation method is successful in...

Froth floatation method is successful in separating impurities from ores because (1) The pure ore is soluble in water containing additives like pine oil, cresylic acid, etc. (2) The pure ore is lighter than water containing additives like pine oil, cresylic acid, etc. (3) The impurities are soluble in water containing additives like pine oil, cresylic acid, etc. (4) The pure ore is not easily wetted by water as by pine oil, cresylic acid, etc.

A

the pure ore is soluble in water containing additives like pine oil, cresylic acid, etc.

B

the pure ore is lighter than water containing additives like pine oil, cresylic acid, etc.

C

the impurities are soluble in water containing additives like pine oil, cresylic acid, etc.

D

the pure ore is not easily wetted by water as by pine oil, cresylic acid, etc.

Text Solution

Verified by Experts

The correct Answer is:
D
the pure ore is not easily wetted by water as by pine oil, cresylic acid, etc.
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