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The chemical reaction that involves roasting process is :

(1) $Fe_2O_3+3CO \to 2Fe+3CO_2$

(2) $2Al+Fe_2O_3 \to 2Fe+Al_2O_3$

(3) $2ZnS+3O_2 \to 2ZnO+3SO_2$

(4) $FeO+SiO_2 \to FeSiO_3$

1 Answer

(3) $2ZnS+3O_2 \to 2ZnO+3SO_2$
answered Nov 7, 2013 by pady_1
 
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