McqMate
| Q. |
Which gas emitted by power stations causes acid rain? |
| A. | Carbon dioxide |
| B. | Sulphur dioxide |
| C. | Helium |
| D. | Nitrogen |
| Answer» B. Sulphur dioxide | |
|
Explanation: Sulfur dioxide (SO2) and nitrogen oxides (NOx) are the principal pollutants that cause acid rain. SO2 and NOx emissions released to the air react with water vapor and other chemicals to form acids that fall back to Earth. Power plants burning coal and heavy oilproduce over two-thirds of the annual SO2 emission. |
|
View all MCQs in
ChemistryNo comments yet