Which of the following ores is not concentrated by froth floatation process?
Which of the following ores is not concentrated by froth floatation process?
A. Pyrolusite
B. Pentlandite
C. Zinc blende
D. Copper pyrites
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Correct Answer - A
Pyrolsite `(MnO_(2))` is not sulphide ore , so it is not concentrated by froth floatation process.
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