Question

The ore that can be concentrated by magnetic separation method is

(A) Bauxite (Al2O3.xH2O) (B) Pyrolusite (MnO2)

(C) Cuprite (Cu2O) (D) Zincite (ZnO)

Answer 1

Bauxite can be concentrated by magnetic separation

Answer 2

The ore that can be concentrated by magnetic separation method is Bauxite $\bold{\left(\mathrm{Al}_{2} \mathrm{O}_{3} \cdot \mathrm{xH}_{2} \mathrm{O}\right)}$.

Explanation:

• Magnetic separation is a type of separation which is used to separate the components of a mixture in which one of the component gets attracted to a magnet or magnetic field.  

• Iron and Aluminium gets attracted to magnet. In such ores we separated by magnetic separation.  

• Since bauxite is an ore of aluminium it is separated by magnetic separation.  

• Zinc copper have no effect by magnet and cannot be separated in such a method.

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