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Heating of an ore below its melting point in presence of excess of air is called

/ CHEMICAL ENGINEERING, Chemical Engineering Basics / By
Question: Heating of an ore below its melting point in presence of excess of air is called
[A].

calcination

[B].

smelting

[C].

roasting

[D].

sublimation

Answer: Option C

Explanation:

No answer description available for this question.