MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
| 1. |
Which of the following is formed from oxidation of organic matter in the presence of oxygen? |
| A. | NO<sub>3</sub> |
| B. | SO<sub>4</sub> |
| C. | H<sub>2</sub>S |
| D. | NH<sub>2</sub> |
| Answer» B. SO<sub>4</sub> | |