Railway Recruitment Board General Awareness — Question 1647

Question

Among the following iron ores, which has the highest iron content?

  1. Hematite
  2. Magnetite
  3. Limonite
  4. Siderite

Correct answer

B — Magnetite

Explanation (English)

Magnetite (Fe3O4) has the highest iron content, about 70-72%.

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