Question

DEFINE calcination and roasting

Answer 1

>Calcination:

Calcination is a process in which ore is heated in high temperature below it's melting point in the absence of air or in a limited supply of air.

>Roasting:

Roasting is the process of heating ores in the oxygen.

Answer 2

hii mate ❤

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here is ur answer ^↓^

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CÀLÇÎÑÀTÎŌÑ
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The process of heating of concentrated ores in the absence of oxygen is called calcination.✔

→ Calcination is mostly done in carbonate ores.✔✔


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RØÀSTÎÑG
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The process of heating of concentrated ores in the presence of oxygen or air is called roasting.✔

→ Roasting is always done in sulphide ores.✔✔


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⭐hope it helps uh⭐


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