MCQOPTIONS
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| 1. |
Which of the following is NOT a general pollutant of atmosphere? |
| A. | \[C{{O}_{2}}\] |
| B. | \[S{{O}_{2}}\] |
| C. | \[S{{O}_{3}}\] |
| D. | \[N{{O}_{2}}\] |
| Answer» E. | |