Extraction of Metals from Ores
Chemistry ⇒ Metals and Non-metals
Extraction of Metals from Ores starts at 9 and continues till grade 12.
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Describe the process of froth flotation used in the concentration of ores.
Describe the role of flux in the extraction of metals from ores.
Explain the difference between calcination and roasting.
Explain why carbon cannot be used to reduce aluminium oxide to aluminium.
Explain why sulphide ores are usually converted to oxides before reduction.
Name the process used to extract highly reactive metals like sodium and potassium from their ores.
Name the reducing agent used in the extraction of iron from its ore in a blast furnace.
Which metal is extracted from the ore 'cinnabar'?
Which method is used for the extraction of metals from ores that are soluble in water?
