Question
Chemistry Question on Concentration of ores
Roasting is generally done in case of the following
A
Oxide ores
B
Silicate ores
C
Sulphide ores
D
Carbonate ores
Answer
Sulphide ores
Explanation
Solution
In this process sulphides ores are converted into oxide ores 2ZnS+3O2−>2ZnO+2SO2