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Explain the physicochemical principles rosting in ore
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 in case of further doubt , let me know ..
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