What is roasting
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Sia ? 4 years, 7 months ago
Roasting:- Here ore is heated in a regular supply of air at a temperature below the melting point of metal.
e.g.{tex}2ZnS + 3{O_2} \to 2ZnO + 2S{O_2}{/tex}
{tex}2PbS + 3{O_2} \to \;2PbO + 2S{O_2}{/tex}
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