MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
| 1. |
Which gas is not a part of sour water? |
| A. | CO |
| B. | CO<sub>2</sub> |
| C. | NO<sub>2</sub> |
| D. | H<sub>2</sub> S |
| Answer» D. H<sub>2</sub> S | |