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Chemistry
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Chemistry
Extraction of Metals from its Ore (1)
Chemistry
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Extraction of Metals from its Ore (1)
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Methods to extract reactive metals
Electrolysis (for metals that are more reactive than carbon) and reduction by carbon (for metals that are less reactive than carbon)
The effect of the purification process of bauxite
Creates a residue in a form of red sludge that is toxic
Metal that can be extracted through electrolysis
Aluminium, magnesium, sodium and potassium
Metals that can be extracted through reduction by carbon
Zinc, iron, selenium and lead
The other name of Aluminium oxide
Alumina
Metals (1)
Usually exist as compounds or mixed with other substances, such as rocks and dirt
Metals (2)
Compounds containing metals are also known as ore or mineral and exist as metal oxides, metal sulphides or metal carbonate
Metals (3)
Non reactive metals such as gold and silver do not need to be extracted because they exist as metal elements
Metals (4)
Reactive metals like iron and aluminium require a particular way to be extracted from their respective ores
Example of non reactive metals (1)
Gold
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