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  • Which of the following is concentrated by magnetic separation method?Option: 1 Pyrolusite <img alt="\mathrm{MnO_{2}}" src="https://entrancecorne

Which of the following is concentrated by magnetic separation method?

Option: 1

Pyrolusite \mathrm{MnO_{2}}


Option: 2

Chromite ore \mathrm{FeO} \cdot \mathrm{Cr}_2 \mathrm{O}_3


Option: 3

Magnetite \mathrm{Fe}_3 \mathrm{O}_4


Option: 4

All of the above 


Answers (1)

best_answer

Pyrolusite \left(\mathrm{MnO}_2\right), Chromite ore \left(\mathrm{FeO} \cdot \mathrm{Cr}_2 \mathrm{O}_3\right) and Magnetite \left(\mathrm{Fe}_3 \mathrm{O}_4\right) are magnetic in nature and can be concentrated by magnetic separation method.

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manish

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