Triferric tetroxide is a chemical name of a _________ ore. Iron is extracted from this ore.

haematite

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magnetite

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bauxite

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galena

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Solution

The correct option is B
magnetite

An ore is a naturally occurring mineral from which a metal and some nonmetals may be extracted economically. Magnetite is the ore with chemical name triferric tetroxide. Iron is extracted from this ore.
Galena is an ore with chemical name lead (II) sulphide. Lead is extracted from this ore.
Haematite is an ore with chemical name iron (II) oxide. Iron is extracted from this ore.
Bauxite is an ore with chemical name hydrated aluminium oxide. Aluminium is extracted from this ore.

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Q. Write balanced equation to convert iron to triferric tetroxide.

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(a) What is the difference between a mineral and an ore?
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