Gujarat BoardEnglish MediumSTD 7ScienceWastewater Story1 Mark
MCQ
Waste water is rich in:
A
Microbes
✓
Lather
C
Plastics
D
All of the above
✓
Answer
Correct option: B.
Lather
Water rich in lather, mixed with oil, black$–$ brown water that goes down the drains from sinks, showers, toilets, laundries with impurities is called wastewater.
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