PDF chapter test TRY NOW
Fill in the blanks with the options given in the box below:
| Arsenic | Lead | Sulphur oxide |
| Oxygen | Nickel | Photosynthesis |
| Ozone | Increase | Methyl isocyanate |
| Nitrogen oxide | Absence | Convention currents |
| Water | Cellular | Air pollution |
| Sulphur oxide | Convention currents | Nickel |
1. ________ is the air pollutant that are released during the process of electricity generation.
2. In _______ of air combustion process ceases.
Register for free to see more content