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प्रश्न
Which of the following is waste water?
विकल्प
Water trickling from a damaged tap
Water coming out of a shower
Water flowing in a river
Water coming out of laundry.
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उत्तर
Water coming out of laundry
Explanation:
Water discharged during daily chores-like washing clothes, flushing toilets, washing dishes, bathing etc., becomes dirty. This dirty water is called wastewater. Water trickling from a damaged tap, water coming out of a shower and water flowing in a river are not dirty and hence it is not wastewater.
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| 2. A white efflorescent crystal | B: NaOH |
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We get rainwater throughout the year.
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QUIFERA
Water polluted by various human activities causes a number of water borne diseases. Which of the following is not a water borne disease?
In which one of the following state's water is present on Earth?
