MCQOPTIONS
Saved Bookmarks
| 1. |
The pyragallol solution used in orsat apparatus can absorb |
| A. | only O2 |
| B. | both O2 and CO2 |
| C. | both O2 and CO |
| D. | all CO, CO2, and O2 |
| Answer» C. both O2 and CO | |