Magnesite is a mineral composed of magnesium carbonate (MgCO₃) and is not an ore of iron. The ores of iron include Haematite (Fe₂O₃), Magnetite (Fe₃O₄), Siderite (FeCO₃), and Iron pyrites (FeS₂). Haematite and Magnetite are the most common and significant ores of iron.
The correct option is (A) : Magnesite
Magnesite
Explanation:
Ores of iron are naturally occurring minerals from which iron can be extracted. The given options include the following:
Therefore, Magnesite is the correct answer as it is not an ore of iron.
Match the following processes with their physical principles: