Simple Description

A compound made up of oxygen and another metal.

Further Detail

For example, iron oxide. Ores are usually metal oxides - iron can be extracted from iron oxide but usually only if it is economically viable to do so. To extract the metal from its ore you have to reduce the metal by taking away the oxygen - a reduction reaction.

Related Words:

• Ore
• Reduction
• Oxide
• Economically viable

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