CBSE Class 7 Answered
What are the different impurities found in sewage water?
Asked by arpanajha9971 | 18 Jan, 2020, 06:36: PM
Expert Answer
Impurities found in sewage water:
- Organic impurities: Animal dung, human feaces (urea), oil
- Inorganic impurities: Nitrates and phosphates
Answered by Sheetal Kolte | 20 Jan, 2020, 12:23: PM
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