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प्रश्न
Which of the following methods is used for concentration of iron ore?
पर्याय
Washing in current of water
Froth floatation
Dissolving the ore in water solution of NaOH or Na2CO3
Electromagnetic separation
MCQ
उत्तर
Washing in current of water
Explanation:
Washing in a current of water is a gravity concentration method in which lighter particles are carried away by the current and heavier (ore) particles are collected at the bottom.
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Extraction of Metals
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