SSC
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General Ability
General Knowledge
The process of heating an ore in the presence of
excess of air, below its melting point, is called ?
(A) roasting (B) calcination
(C) smelting (D) sublimation
Read Solution (Total 2)
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- ans (a) roasting is the process of heting ore in excess of air to convert from sulphides to oxides
- 10 years agoHelpfull: Yes(0) No(0)
- answer is (A) roasting
- 6 years agoHelpfull: Yes(0) No(0)
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