Q. Nitrogen cycle of sewage, is (Solved)
1. Liberation of ammonia-formation of nitrites-formation of nitrates-liberation of nitrogen
2. Liberation of nitrogen-liberation of ammonia-formation of nitrites- formation of nitrates
3. Liberation of nitrogen-formation of nitrates-formation of nitrites-liberation of ammonia
4. Formation of nitrates-formation of nitrites-liberation of nitrates-liberation of nitrates
- a. Liberation of ammonia-formation of nitrites-formation of nitrates-liberation of nitrogen