An ore treatment with dilute hydrochloric acid gives a smell like that of rotten eggs. What type of ore is this ? How can it be concentrated? How can the metal be obtained from concentrated ore?
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the ore is sulphide ore and it can be concentrated bye roasting and heating it in presence of oxygen
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The ore is a sulphide ore and it can be concentrated by roasting. Roasting is a process in metallurgy in which a sulphide ore is heated in high temperature in air. The process may convert a metal sulphide to a metal oxide . Example: Roasting ZnS may yield ZnO.
The metal can be obtained from the ore by magnetic separation.
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