NCERT Solutions For Class 7 Science Chapter 18 Wastewater Story: In this article, we bring you NCERT Solutions Class 7 Science Chapter 18 Wastewater Story. The solutions provided here are prepared by the top academic experts at Embibe as per NCERT Science textbook. You can either view the solutions or download free NCERT Solutions for Class 7 Science Chapter 18 in PDF format to study in offline mode.
Download NCERT Books PDF For Class 7 Here
NCERT Solutions For Class 7 Science Chapter 18: Wastewater Story
Embibe gets you Solutions for Class 7 Science Chapter 18 to keep you updated and informed. These NCERT Solutions have been curated in a way so as to be playful and informative at the same time. With the crossword questions, students will feel the urge to solve the NCERT Class 7 Science Chapter 18 Solutions. All the questions provided in the solutions have been solved by experts and the top faculties at Embibe.
Before getting into the detailed NCERT Solutions for Class 7 Science Chapter 18, let’s have a look at the different topics in Wastewater Story chapter along with downloadable PDF:
NCERT Solutions For Class 7 Science Chapter 18 PDF Download
Here we have provided the solutions for Chapter 18 of NCERT Books for Class 7 Science:
Download NCERT Solutions for Class 7 Science for other chapters:
- Chapter 1 – Nutrition in Plants
- Chapter 2 – Nutrition In Animals
- Chapter 3 – Fibre To Fabric
- Chapter 4 – Heat
- Chapter 5 – Acids, Bases, and Salts
- Chapter 6 – Physical & Chemical Changes
- Chapter 7 – Weather, Climate & Adaptations Of Animals To Climate
- Chapter 8 – Winds, Storms, and Cyclones
- Chapter 9 – Soil
- Chapter 10 – Respiration In Organisms
- Chapter 11 – Transportation In Animals And Plants
- Chapter 12 – Reproduction In Plants
- Chapter 13 – Motion And Time
- Chapter 14 – Electric Current And Its Effects
- Chapter 15 – Light
- Chapter 16 – Water: A Precious Resource
- Chapter 17 – Forests: Our Lifeline
CBSE Class 7 Science Chapter 18: Wastewater Story – Chapter Summary
Ever known about the ways of Sewage Disposal and Sanitation at Public Places? In this NCERT Class 7 Science Chapter 18, you will be enlightened on the wastewater story that defines water as a lifeline resource for life on earth. You will also know the importance of clean water, the concept of sewage and its composition as well as treatment of sewage and polluted water to make it fit for discharge.
This Class 7 Science Chapter 18 Wastewater Story will further guide the students to become an active citizen and segregate wastes in a way so as to not harm the water in the least possible manner. Here, NCERT Solutions for Class 7 Science Chapter 18 plays an important role by aiding you to understand the nature of questions as well as have a quick revision of the chapter.
Download important study materials for CBSE Class 7 tabulated below:
| CBSE Class 7 Maths Syllabus | CBSE Class 7 Social Science Syllabus |
| CBSE Class 7 English Syllabus | CBSE Class 7 Science Syllabus |
| NCERT Books for Class 7 Maths | NCERT Books For Class 7 (All Subjects) |
FAQs Related To NCERT Solutions For Class 7 Science Chapter 18
Here we have provided some of the frequently asked questions related to this chapter:
(a) Cleaning of water is a process of removing ______.
(b) Wastewater released by houses is called ______.
(c) Dried ______ is used as manure.
(d) Drains get blocked by ______ and ______.
A: (a) pollutants
(b) sewage
(c) sludge
(d) cooking oil, fats
A: Oils and fats should not be released in the drain because drains get blocked by cooking oil and fats.
A: Chlorine and Ozone are used to disinfect water.
A: Bar screen removes large objects like rags, sticks, cans, plastic packets and napkins.
Across ➡
3. Liquid waste products
4. Solid waste extracted in sewage treatment
6. A word related to hygiene
8. Waste matter discharged from human body
Down ⬇
1. Used water
2. A pipe carrying sewage
5. Micro-organisms which causes cholera
7. A chemical to disinfect water
A: Across ↦
3. Sewage
4. Sludge
6. Sanitation
8. Excreta
Down ↧
1. Wastewater
2. Sewer
5. Bacteria
7. Ozone
(a) It is essential for breathing of living organisms.
(b) It is used to disinfect water.
(c) It absorbs ultraviolet rays.
(d) Its proportion in air is about 3%. Which of these statements are correct?
(i) (a), (b) and (c)
(ii) (b) and (c)
(iii) (a) and (d)
(iv) All four
A: The correct answer is (ii) (b) and (c)
Get Detailed Syllabus For Class 7 Science Here
This detailed article will help clear your doubts regarding the topic. It is essential for you to utilize the solutions provided here in the best possible manner. Solve the NCERT questions so as to get the best out of your preparation. Along with solving the solutions, you should also take mock tests and solve a few practise questions to further enhance your study.
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