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Question Question 1.1(2014)
Heating an ore in a limited supply of air or in the absence of air at a temperature just below it's melting point is known as :
- Smelting
- Ore dressing
- Calcination
- Bessemerisation
Calcination
Heating an ore in a limited supply of air or in the absence of air at a temperature just below it's melting point is known as :
Calcination