Learn about the Waste Water Story in Class 7 NCERT Science with this video. Explore the CBSE curriculum and understand the importance of managing waste water effectively.
The Chapter has been divided into three topics for the students facility.
1. Some terms related with this chapter -Introduction, Sewage ,Sewage treatment ,Sewerage, Organic and inorganic impurities ,World Water Day .
2.Waste Water Treatment Plant ( WWTP)- How WWTP works easily explained in eleven points and waste water is again reused after removing organic and inorganic impurities dissolved in waste water either from houses, offices ,buildings, industries .
3.Important Facts -Swachh Bharat mission ( 2016)
2.Vermi processing toilet
3. Eucalyptus tree; sewage pond
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