Saved Bookmarks
| 1. |
In which of the following pair(s) the minerals are converted in to metals by self-reduction process?A. `Cu_2S, PbS`B. PbS, HgSC. PbS, ZnSD. `Ag_2S, Cu_2S` |
|
Answer» Correct Answer - A,B `Cu_2S+2Cu_2Oto6Cu+SO_2` `PbS+2PbO to 2Pb+SO_2` `HgS+2HgOto3Hg+SO_2` |
|