JAMB Chemistry 2005 Question 46

Question 46

Metals and their Compounds

The ores that can be concentrated by flotation are

  1. A.nitride ores
  2. B.sulphide ores
  3. C.oxide ores
  4. D.chloride ores
Show the answer and explanation

Answer: B (sulphide ores)

Explanation

In froth flotation, sulphide ore particles stick to oil froth and float while the earthy impurities sink.