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Questions and Answers
What is the primary purpose of Chapter 18 in the NCERT Science Class 7 textbook?
What is the primary purpose of Chapter 18 in the NCERT Science Class 7 textbook?
- To analyze the chemical composition of wastewater
- To discuss the history of wastewater treatment
- To educate students about the importance of wastewater management (correct)
- To explore the impact of wastewater on marine life
Which term best describes the process of removing harmful substances from wastewater?
Which term best describes the process of removing harmful substances from wastewater?
- Treatment (correct)
- Purification
- Filtration
- Sterilization
Why is it important to treat wastewater before releasing it into the environment?
Why is it important to treat wastewater before releasing it into the environment?
- To prevent water pollution and protect aquatic ecosystems (correct)
- To reduce the cost of water treatment for drinking purposes
- To accelerate the growth of aquatic plants
- To increase the nutrient content of the water
Study Notes
What is the primary purpose of Chapter 18 in the NCERT Science Class 7 textbook? Which term best describes the process of removing harmful substances from wastewater? Why is it important to treat wastewater before releasing it into the environment?
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Description
Test your knowledge of wastewater treatment and its importance with this quiz based on Chapter 18 of the NCERT Science Class 7 textbook. Explore the primary purpose of the chapter and understand the process of removing harmful substances from wastewater. Learn why treating wastewater is crucial before releasing it into the environment.
