MCQOPTIONS
Saved Bookmarks
| 1. |
Why is sodium bicarbonate used as a fire extinguisher? |
| A. | By receiving the heat of the fire, it generates CO₂ gas. |
| B. | By receiving the heat of the fire, it generates CO gas. |
| C. | By receiving the heat of the fire, it generates O₂ gas. |
| D. | By receiving the heat of the fire, it generates water. |
| Answer» B. By receiving the heat of the fire, it generates CO gas. | |