Question
Define :
(a) Pyrometallurgy $\quad$ (b) Roasting
(a) Pyrometallurgy $\quad$ (b) Roasting
✓
Answer
(a) A process in which the ore is reduced to metal at high temperature using reducing agents like carbon, hydrogen, aluminium, etc. is called pyrometallurgy .
(b) Roasting is the process of heating concentrated ore to a high temperature in the presence of air.
(b) Roasting is the process of heating concentrated ore to a high temperature in the presence of air.
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