Upon heating with `Cu_(2)S` the reaction (s) that give copper metal is /are

Upon heating with Cu_2S , the reagent(s) that give copper metal is/are

Upon hetaing with Cu_(2)S the regants that give copper metel are (i) CuFeS_(2) (ii) CuO (iii) Cu_(2)O (iv) CuSO_(4)

Upon hetaing with Cu_(2)S the regants that give copper metel are (i) CuFeS_(2) (ii) CuO (iii) Cu_(2)O (iv) CuSO_(4)

Heating mixture of Cu_(2) O and Cu_(2) S will give

Heating mixture of Cu_(2)O and Cu_(2)S will give

Heating mixture of Cu_(2)O and Cu_(2)S will give