Question
________ is the process used to concentrate magnetic ores.
Answer: Option B
:
B
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B
- Magnetic separation method is used for concentrating ores that contain impurites that have magnetic properties.
- Froath floatation process is used to concentrate sulphide ores.
- Leaching is a process used to concentrate ores that can be dissolved in a chemical solvent.
- Roasting is the process of converting a sulphide ore to an oxide ore by heating it in the presence of oxygen at higher temperatures. This is generally done after concentation of the ore.
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