Which of the following method is used for separation of gangue from haematite ore?
A
Crystallisation
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B
Filtration
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C
Chromatography
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D
Magnetic separation
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Solution
The correct option is D Magnetic separation Haematite ore consists of iron which is separated from the impurities by using magnetic separation method in which magnet attracts the ore particles towards it and the unwanted non magnetic impurities are left behind.