Saved Bookmarks
| 1. |
Statement-1:Silica is added as a flux in reverberatory furnace, in the extraction of copper from copper pyrites. Statement-2:Silica acts as basic flux.A. Statement-1 is True, Statement-2 is True, Statement-2 is a correct explanation for Statement-1B. Statement-1 is True, Statement-2 is True, Statement-2 is NOT a correct explanation for Statement-1C. Statement-1 is True, Statement-2 is False.D. Statement-1 is False, Statement-2 is True. |
|
Answer» Correct Answer - C `S_1:2CuFeS_2+O_2toCu_2S+2FeS+SO_2`, `2FeS+3O_2 to 2FeO +2SO_2` `FeO+SiO_2 to FeSiO_3`, thus remove the basic impurity of iron oxide. `S_2`:Silica acts as an acidic flux. |
|