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Answer to Question #115851 in General Chemistry for Hamdan Hamad Alkalbani
Question #115851
Which of the following is not true :
The mixture of iron and oxygen is an ore
The mixture of copper and iron is an ore
The mixture of iron and oxygen is an ore
The mixture of copper and iron is an ore
Expert's answer
The mixture of iron and oxygen is not an ore. Because ore is natural rock that contains one or more metals, and oxygen is nonmetallic.
Iron and oxygen reacts to form oxide, but not an ore.
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