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Wastewater Story — Science STD 7 — Question

Gujarat BoardEnglish MediumSTD 7ScienceWastewater Story1 Mark
MCQ
Three statements are provided here which define the terms $-$ Sludge Pick out the correct definition for these terms.
  • ✓
    The settled solids that are removed in wastewater treatment with a scraper.
  • B
    Water from kitchen used for washing dishes.
  • C
    Wastewater released from homes, industries, hospitals and other public buildings.
  • D
    None of these
✓

Answer

Correct option: A.
The settled solids that are removed in wastewater treatment with a scraper.
Sludge $-$ It is the collection of settled solids that are removed in wastewater treatment with a scraper.

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