Question

list the three stages involved in extracting a metal from its mineral ore

Answer 1

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The three method generally used to extract metals from ores aredependent on their reactivity. The first method is electrolysis,which is used for metals like aluminum and magnesium that have ahigh reactivity. The second is extraction by reaction with eithercarbon or carbon monoxide, which is used for less reactive metalslike iron, lead and zinc. The third and final method is the use ofhydrogen and this method is used for unreactive metals like gold,silver and copper. The third method is used in a variety of ways asmany of these metals don't need to be separated from their ores butchemical reactions may be required to remove other contaminantmaterials.

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Answer 2

The three methods generally used to extract metals from ores are dependent on their reactivity.

1) Electrolysis - It is the method which is used to extract metals like aluminum and magnesium that are highly reactive metals.

2) Extraction by reaction - It is the method used to extract metals with either carbon or carbon monoxide gas which is used for metals of less reactive property like iron, lead and zinc.

3) It is the method used to extract metals with the use of hydrogen . This method is used for the metals which are unreactive like gold,silver and copper. It is used in a variety of ways as many of these metals do not need to be separated from their ores but chemical reactions may be required to remove other contaminent metals.

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