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JEE CHEMISTRY MCQ: GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS
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Which of the following ores are concentrated by froth floatation
a) Haematite, b) Galena, c) Copper pyrites, d) Magnetite
a) Haematite, b) Galena, c) Copper pyrites, d) Magnetite
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Correct option: B
b, c
Option B (b, c) is correct because Galena (PbS) and Copper pyrites (CuFeS2) are sulphide ores, which are commonly concentrated using the froth floatation method.