Question

Write the names and formulae of two ores of iron.

Hint:

Hematite and magnetite are the two main ores from which iron is extracted.

Answer 1

Step 1: Common Ores of Iron.
Iron is extracted from various ores, the two most common being hematite and magnetite.
Step 2: Names and Formulae.
- Hematite: \( \text{Fe}_2\text{O}_3 \)
- Magnetite: \( \text{Fe}_3\text{O}_4 \)
Step 3: Explanation.
- Hematite is the most widely used ore of iron, and it contains iron in the +3 oxidation state.
- Magnetite is another important ore that contains iron in both +2 and +3 oxidation states.