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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 { 2ZnS + 3O_2 -> 2ZnO + 2SO_2}