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  • NTSE Science - Physics, Chemistry & Biology
  • Which of the following is Fe3O4?
Multiple choice

Which of the following is Fe3O4?

  1. Magnetite

  2. Stone

  3. Clay

  4. Hematite

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A Correct answer
Explanation

Fe3O4 is the chemical formula for Magnetite, a magnetic iron oxide. Hematite is Fe2O3, and Stone/Clay are not specific iron oxides.

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