Multiple choice

Which of the following is a set of iron ores only?

  1. Hematite, Manganite, Siderite

  2. Azurite, Malachite, Pyrolusite

  3. Hematite, Magnetite, Pyrolusite

  4. Malachite, Limonite, Siderite

  5. Hematite, Siderite, Limonite

Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Hematite, Fe2O3: Iron ore Siderite, FeCO3: Iron ore Limonite, FeO(OH)·nH2O: Iron ore