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18. Pollution of Air and Water Class 8 SCIENCE Solutions English Medium-Chapter Review
18. Pollution of Air and Water Class 8 SCIENCE Solutions English Medium-Chapter Review Get chapter-wise detailed explanations, step-by-step answers, important questions and exam-ready study material in Hindi and English medium.
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18. Pollution of Air and Water Class 8 SCIENCE Solutions English Medium-Chapter Review
NCERT Solutions for Class 8 are specially prepared according to the latest CBSE syllabus (2026-27) to help students understand every concept clearly. These solutions provide step-by-step explanations, accurate answers, and exam-oriented guidance for all chapters. Class 8 students can improve their problem-solving skills, strengthen conceptual understanding, and prepare confidently for school as well as board examinations. All questions are solved in a simple and easy-to-understand language for both Hindi and English medium learners.
18. Pollution of Air and Water Class 8 SCIENCE Solutions English Medium-Chapter Review
NCERT Solutions Class 8 SCIENCE English Medium
18. Pollution of Air and Water
Topic: Chapter Review
Chapter Review:
- The contamination of air by impurities like smoke and poisonous gases which may have a harmful impact on the living and the non-living components, this is called air pollution.
- The substances which contaminate the air and water. These are called pollutants.
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Components of air is Nitrogen 78%, Oxygen 21%, carbon dioxide, argon, and methane.
- Ozone layer prevents us to the ultraviolet rays coming from the sun.
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Ultraviolet rays carry radiations Which harm our body and cause various diseases like cancer and skin disorders.
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The sulpher dioxide and nitrogen dioxide form sulphuric acid and nitric acid react with moisture and water vapour in atmosphere. These form rain acidic . This is called acid rain.
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There is raising the quantity of CO2 in atmosphere resulting in increasing continue average temperature of atmosphere. This is called global warming.
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If the sunlight enters into nursery (glass house) which is not allowed to come out. The trapped heat warms the green plants. Similarly our atmosphere trapped radiation and warms the earth. This effect is known as green house effect.
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The full form of CFCs is Chlorofluorocarbons.
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The full form of WWF is Word wide Fund.
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The green house gases are CO2 , Methane and nitrous oxide etc.
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An ambitious plan to save the river, called the Ganga Action Plan was
launched in 1985. -
Water which is suitable for drinking is called potable water.
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The 4R principle is Reduce, reuse, recycle and recover.
All Topics From 18. Pollution of Air and Water
See other sub-topics of this chapter:
1. Chapter Review 2. Text Book Exercise 3. Text Book Exercise 4. Additional Questions With Solutions 5. Additional Questions With SolutionsNCERT Solutions Class 8 Hindi and English Medium – Complete Study Material
NCERT Solutions Class 8 students ke liye specially CBSE latest syllabus (2026-27) ke according prepare kiye gaye hain. Yeh solutions Hindi aur English medium dono ke liye available hain, jisse har student apni language preference ke hisaab se padh sakta hai. Har chapter ke sabhi prashnon ke step-by-step answers diye gaye hain jo concept clarity aur exam preparation me madad karte hain.
Chapter-Wise Detailed Explanations
Class 8 ke liye diye gaye Chapter Wise NCERT Solutions me har question ka detailed aur easy explanation diya gaya hai. Chahe aap CBSE Board Exam Preparation kar rahe ho ya school test ke liye revise kar rahe ho, yeh solutions aapko complete understanding denge. Har answer simple language me likha gaya hai jisse students concepts ko easily grasp kar saken.
Hindi and English Medium Support
Students Hindi aur English medium dono me NCERT Book Solutions Class 8 access kar sakte hain. Yeh dual language support un students ke liye helpful hai jo apni regional language me better samajhna chahte hain. Sabhi answers CBSE Latest Syllabus 2026-27 ke anusaar update kiye gaye hain.
Important Features of NCERT Solutions
- Class 8 NCERT Solutions PDF
- CBSE Class 8 Study Material
- NCERT Book Questions and Answers
- Exam Oriented Important Questions
- Step-by-Step Detailed Solutions
- Concept Clarity and Revision Notes
Why Students Should Use NCERT Solutions?
Aaj ke competitive environment me sirf textbook padhna kaafi nahi hota. NCERT Solutions for Class 8 students ko practice aur conceptual understanding dono provide karte hain. Yeh solutions unhe exam pattern samajhne, frequently asked questions practice karne aur high score achieve karne me madad karte hain. Regular practice se students apne weak topics ko improve kar sakte hain.
Best Resource for Exam Preparation
Agar aap Class 8 CBSE Preparation ke liye ek trusted aur reliable source dhundh rahe hain, to yeh NCERT Solutions perfect choice hain. Yeh study material school exams, unit tests, half-yearly aur annual exams ke liye equally useful hai. Har chapter ke answers accurate, verified aur student-friendly format me diye gaye hain.
Isliye agar aap NCERT Solutions Class 8 Hindi and English Medium search kar rahe hain, to yahan aapko complete chapter-wise solutions milenge jo aapki academic journey ko strong aur confident banayenge.