Question

Distinguish between roasting and calcination which of these two is used for sulphide ores in bank

Answer 1

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$\huge\bold\red{ANSWERE}$

$\small\bold\pink{CALCINATION}$
✔The process of heating of concentrated ores in the absence of oxygen is called Calcination.
✔ Done at limited air or oxygen.
✔ Done for carbonate ores.

$\small\bold\green{ROASTING}$
✔ The process of heating of concentrated ores in the presence of oxygen is called Roasting.
✔ Requires an excess amount of air or oxygen.
✔ Mainly done for sulphide ores.

$Roasting\: is \:used \:for \:sulphide \:ores$

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