copper pyrite is concentrated by
Copper pyrites is concentrated by Tardigrade. When C O 2 gas is passed through the aqueous solution of 'X', a hydrated compound 'Y' is precipitated 'X' and 'Y' respectively are : JEE Main 2018 4 In the extraction of copper from its sulphide ore, metal is finally obtained by the oxidation of cuprous sulphide with : JEE Main 2018 5.