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Match the following :

Ore Metal

A) Magnetite 1) Aluminium

B) Calamine 2) Zinc

C) Galena 3) Iron

D) Bauxite 4) Lead

3 2 1 4

3 2 4 1

2 3 1 4

2 3 4 1

Explanation:

Magnetite is a rock mineral and one of the main iron ores, with the chemical formula Fe3O4. It is one of the oxides of iron.
Zinc ore is most commonly found as zinc carbonate (ZnCO3), known as Calamine or smithsonite.
Galena, also called lead glance, is the natural mineral form of lead(II) sulfide (PbS). It is the most important ore of lead and an important source of silver.
Bauxite is a sedimentary rock with a relatively high aluminium content. It is the world's main source of aluminium and gallium.

Hence option 2nd is correct.

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