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) Name two metal s which occur in nature in free state as well as in combined state (b) Name one ore of manganese. Which compound of manganese is present in this ore? Also write its chemical formula. (c) A zinc ore on heating in air forms sulphur dioxide. Describe briefly any two stages involved in the conversion of this concentrated ore into zinc metal.
An ore sample of galena (PbS) is contaminated with zinc blende (ZnS). Name one chemical which can be used to