Explain the physicochemical principles in roasting of ore
Kaushal narayan patil
9 Years agoGrade 12th pass
1 Answer
Umakant biswal
9 Years ago
roasting is the process of converting an ores into oxide by strongly heating it in the presence of excess of air . . for example sulphides ores are converted into their respective oxide by heating in the presence of air . below are the reaction Zn + 3 o2 = 2Zno + 2So2 and sometimes photochemical reaction in the lower atmosphere result in roasting by forming photochemical smog . HOPE IT CLEARS