Chemistry General Principles and Processes of Isolation of Elements ( Not In Syllabus ) Concentration Single Correct MCQ
Published on: August 12, 2026

Froth–floatation method is successful in separating impurities from ores because

A
The pure ore is lighter than water containing additives like pine oil, cresylic acid etc.
B
The pure ore is soluble in 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 as easily wetted by water as by pine oil, cresylic acid etc

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The correct answer is:
D
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