Which of the following methods is used in the concentration of haematite ore?
A
Hydraulic washing
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B
Magnetic separation
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C
Froth floatation process
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D
None of these
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Solution
The correct option is B Magnetic separation Magnetic separation is a process in which magnetically susceptible material is extracted from a mixture using a magnetic force. This separation technique can be useful in mining iron as it is attracted to a magnet. This process operates by moving particles in a magnetic field.