MCQ
Manganese metal is extracted from manganese dioxide by a reduction process by making use of:
  • A
    Carbon.
  • B
    Hydrogen.
  • C
    Electrolysis.
  • Aluminium.

Answer

Correct option: D.
Aluminium.
There are some metals that cannot be satisfactorily reduced by carbon. In such cases, aluminium is used as reducing agent, e.g., manganese.

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