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COMEDK2015ChemistryGeneral Principles and Processes of Isolation of Metals

The magnetite ore is

Options

  1. Aferrous oxide
  2. Bferric oxide
  3. Cferric hydroxide
  4. Dferrous-ferric oxide

Correct answer

D. ferrous-ferric oxide

Step-by-step solution

Chemical formula of magnetite is Fe ₃ O ₄ . The IUPAC name is iron (II, III) oxide and common chemical name is ferrous-ferric oxide.

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