Name one ore of Iron and write its chemical formula?

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Solution

Ore is a mineral in which the metal can be easily and profitably extracted.
The ore of iron is found in its combined form and not in its elemental form.
Mainly Iron is found in its oxide form which is iron oxide.
The ore in which the metal Iron can be easily extracted is haematite $(F e_{2} O_{3})$ .
So, the ore of iron is haematite with the chemical formula $F e_{2} O_{3}$ .

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