MCQOPTIONS
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| 1. |
Which Oxides of Nitrogen are generated by burning of fossil fuel? |
| A. | NO and NO2 |
| B. | NO2, NO3, and N2O5 |
| C. | N2O5 and N2O3 |
| D. | NO3 and N2O5 |
| Answer» B. NO2, NO3, and N2O5 | |