Metal ores are refined into metal. Metal is very useful, hence, metal ore is also useful.
No, metal ores occur naturally in the Earth.
Those ores which contain metal in the form of oxides are called as oxide ores.
no
Carbon, usually in impure form such as coal or coke, is often used to remove oxygen from metal ores.
fire
A rock containing a useful substance is called an ore. It's important to recognise that whilst a few ores contain metals (e.g. gold), most things referred to as metal ores actually contain metal compounds.
Metal ores are rocks with metal in them. The ore can be extracted in a furnace by heating the ore, coke and limestone at a very high temperature. The molten metal is then collected off.
Both contain the useful metal titanium. Titanium can be refined from them profitably.
No, metal ores occur naturally in the Earth.
Metal ores are used as resources from which metals may be extracted.
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Factories do not make metal ore. A refinery or smelter makes metal from metal ores.
From various minerals and ores which are mined. Which metal depends on which mineral is mined.
Those ores which contain metal in the form of oxides are called as oxide ores.
no
Yes and No, while some metal ores may indeed be vein minerals, not all vein minerals are metal ores and not all metal ores are vein minerals.
They aren't considered to be ores because ores are partly mineral and partly metal. The metal deposits are purely metal.