Calamine ore can be converted into ZnO by the process of |
|||||||
(a) |
dehydration |
(b) |
roasting |
(c) |
calcinations |
(d) |
sulphonation |
Calamine ore can be converted into ZnO by the process of |
|||||||
(a) |
dehydration |
(b) |
roasting |
(c) |
calcinations |
(d) |
sulphonation |