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  4. How many metallic ores are concentrated by magnetic separation method from the given ores? Cassiterite, pyrolusite, rutile, magnetite, galena, cinnabar.

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Q. How many metallic ores are concentrated by magnetic separation method from the given ores?
Cassiterite, pyrolusite, rutile, magnetite, galena, cinnabar.

General Principles and Processes of Isolation of Elements

Solution:

Cassiterite $(SnO_{2})$, rutile $(TiO_{2})$, magnetite $(Fe_{3}O_{4})$, cinnabar $(PbS)$.