Multiple choice

Which one of the following iron ores is “fool’s gold”?

  1. FeS2

  2. Fe2O3

  3. FeO(OH)

  4. FeCO3

  5. FeSO4

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

Iron pyrite (FeS2) has a yellow metallic appearance and so it is called fool’s gold. It was mistaken for gold in the ancient times.