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30/09/2021 4:30 pm
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How are the less reactive metals (which are quite low in the reactivity series) extracted? Explain with the help of an example.
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30/09/2021 4:30 pm
The less reactive metals are extracted by the reduction of their oxides by heat alone.
Example: Mercury (II) sulphide ore is roasted in air when mercury (II) oxide is formed. When this mercury (II) oxide is heated to about 300oC, it decomposes to form mercury metal.