NCERT Exemplar Solutions Class 7 Science Solutions for Wastewater Story - Exercise in Chapter 18 - Wastewater Story

Question 1 Wastewater Story - Exercise

Which of the following is waste water?


(d) Water coming out of a laundry.


Water discharged during after routine works like washing clothes, flushing toilet, cleaning utensils make the water dirty. This water is called as waste water. Water coming out of damaged tap, water coming out of shower and water flowing in a river are not dirty hence water coming out of a laundry is the right answer.

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