Question

Name the ore of iron in which magnetism was first discovered. What is its chemical formula?

Answer 1

Natural Magnets:

1. A natural magnet is a magnet that occurs naturally in nature. All-natural magnets are permanent magnets, meaning they will never lose their magnetic power.
2. Magnets obtained directly from nature are natural magnets. Natural magnets are majorly magnetite.
3. The natural magnet is an ore of iron. It is an oxide of iron. Its chemical formula is ${\text{Fe}}_3{\text{O}}_4$.