List-I | List-II | ||
(A) | Calamine | (I) | CuFeS2 |
(B) | Siderite | (II) | ZnCO3 |
(C) | Sphalerite | (III) | ZnS |
(D) | Copper pyrite | (IV) | FeCO3 |
The reactions which occur in blast furnace at 500 – 800 K during extraction of iron from haematite are
i. \(3Fe_2O_3 + CO \rightarrow 2Fe_3O_4 + CO_2\)
ii. \(Fe_2O_3 + 3C \rightarrow 2Fe + 3CO\)
iii. \(FeO + 4CO \rightarrow 3Fe + 4CO_2\)
iv. \(FeO + CO \rightarrow 2FeO + CO_2\)