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Which of the following ores are concentrated by froth flotation?
(i) Haematite
(ii) Galena
(iii) Copper pyrites
(iv) Magnetite
Answers (1)
The answer is the option (ii, iii) Sulphide ores are concentrated by froth floatation process as pine oil selectively wets the sulphide ore. Galena and copper pyrite, being sulphide ores are concentrated by froth floatation process.
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