What is meant by term pyrometallergy?

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Solution

Pyrometallurgy:
It is the process of extraction and purification of metals involving heat. The operations which involved roasting, calcining, smelting and refining.
The physical and chemical means of energy is used to maintain the required amount for the process to take place. This energy is usually provided in the form of combustion or from electrical heat.
The elements extracted by this process are iron, copper, zinc, tin, chromium and manganese.

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