C-10-Q164mediumsingle_mcq
Which are correct about extraction of iron in blast furnace?
(i) Hematite is reduced by CO and C
(ii) acts as flux to remove as
(iii) Slag floats on molten iron
Which are correct about extraction of iron in blast furnace? (i) Hematite is reduced by CO and C (ii) acts as flux to remove as (iii) Slag floats on molten iron
- ai and ii
- bi and iii
- cii and iii
- di, ii and iii