Carbon, usually in impure form such as coal or coke, is often used to remove oxygen from metal ores.
No, metal ores occur naturally in the Earth.
Metal ores are refined into metal. Metal is very useful, hence, metal ore is also useful.
smelting is used for sulfide ores. Iron ores require a blast furnace. aluminum ores require high temperature electrolysis. etc. it varies by type of ore and metal.
Those ores which contain metal in the form of oxides are called as oxide ores.
Metal ores are used as resources from which metals may be extracted.
Carbon, usually in impure form such as coal or coke, is often used to remove oxygen from metal ores.
No, metal ores occur naturally in the Earth.
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Metal ores are refined into metal. Metal is very useful, hence, metal ore is also useful.