18. Wastewater Story Class 7 Science [LATEST] Solutions topic -1 in English - CBSE Study
NCERT Solutions for Class 7 Science are carefully prepared according to the latest CBSE syllabus and NCERT textbooks to help students understand every concept clearly. These solutions cover all important 18. Wastewater Story with detailed explanations and step-by-step answers for better exam preparation. Each topic -1 is explained in simple language so that students can easily grasp the fundamentals and improve their academic performance. The study material is designed to support daily homework, revision practice, and final exam preparation for Class 7 students. With accurate answers, concept clarity, and structured content, these NCERT solutions help learners build confidence and score higher marks in their examinations. Whether you are revising a specific topic or preparing an entire chapter, this resource provides reliable and syllabus-based guidance for complete success in Science.
Class 7 English Medium Science All Chapters:
18. Wastewater Story
1. topic -1
Chapter Review:
- Cleaning of water is a process of removing pollutants before it enters a water body or is reused.This treatment is commonly known as “Sewage Treatment”.
- Sewage is a liquid waste.Most of it is water, which has dissolved
and suspended impurities.These impurities are called contaminants. - Full Form of (WWTP) is WASTEWATER TREATMENT PLANT.
- Wastewater is generated in homes, industries, agricultural fields and in other human activities. This is called sewage.
- A skimmer removes the floatable solids like oil and grease. Water so cleared is called clarified water.
Topic Lists: