____________ substances present in sewage are removed in grit chamber during sewage treatment?
Correct answer: D. Inorganic
- A. Organic
- B. Fatty
- C. Dissolved
- D. Inorganic
Explanation
Grit chambers remove heavy, coarse inorganic particles such as sand, gravel and cinders by settling. Organic matter is mainly treated in later biological units, while dissolved substances pass through the chamber.
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