Which among the given ores can be converted into metal oxide by calcination? (I) Galena (PbS) (II) Magnesite (MgCO3) (III) Bauxite (Al2O3.2H2O)
Calamine ore can be converted into zince oxide by the process of: (a) roasting (b) hydrogenation (c) chlorination (d) calcination
Zinc blende ore can be converted into zinc oxide by the process of: (a) roasting (b) hydrogenation (c) chlorination (d) calcination
A sulphide ore is converted into metal oxide by the process of : (a) Carbonation (b) roasting (c) calcination (d) anodising