Extraction of Metals - Result Question 18
18. Which one of the following ores is best concentrated by froth floatation method?
(2016 Main)
(a) Siderite
(b) Galena
(c) Malachite
(d) Magnetite
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Answer:
Correct Answer: 18. (b)
Solution:
- Sulphide ores are concentrated by froth floatation method e.g. Galena (PbS)