Class 8 18. Pollution of Air and Water Additional Questions With Solutions: NCERT Book Solutions
Class 8 chapter 18. Pollution of Air and Water important extra long questions with solution for board exams and term 1 and term 2 exams.
NCERT Solutions
All chapters of ncert books Science 18. Pollution of Air and Water Additional Questions With Solutions is solved by exercise and chapterwise for class 8 with questions answers also with chapter review sections which helps the students who preparing for UPSC and other competitive exams and entrance exams.
Class 8 chapter 18. Pollution of Air and Water important extra long questions with solution for board exams and term 1 and term 2 exams. - 18. Pollution of Air and Water - Additional Questions With Solutions: NCERT Book Solutions for class 8th. All solutions and extra or additional solved questions for 18. Pollution of Air and Water : Additional Questions With Solutions Science class 8th:English Medium NCERT Book Solutions. Class 8 chapter 18. Pollution of Air and Water important extra long questions with solution for board exams and term 1 and term 2 exams.
18. Pollution of Air and Water : Additional Questions With Solutions Science class 8th:English Medium NCERT Book Solutions
Class 8 chapter 18. Pollution of Air and Water important extra long questions with solution for board exams and term 1 and term 2 exams. - 18. Pollution of Air and Water - Additional Questions With Solutions: NCERT Book Solutions for class 8th. All solutions and extra or additional solved questions for 18. Pollution of Air and Water : Additional Questions With Solutions Science class 8th:English Medium NCERT Book Solutions.
Class 8 18. Pollution of Air and Water Additional Questions With Solutions: NCERT Book Solutions
NCERT Books Subjects for class 8th Hindi Medium
18. Pollution of Air and Water
Class 8 chapter 18. Pollution of Air and Water important extra long questions with solution for board exams and term 1 and term 2 exams.
Additional Questions With Solutions
Additional Questions With Solutions:
Ques: Name the various components of air.
Ans: Nitrogen 78%, Oxygen 21%, carbon dioxide, argon, and methane.
Ques: What is air pollution?
Ans: 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.
Ques: What is pollutant? Name two such pollutants which are responsible for air pollution.
Ans: The substances which contaminate the air and water. These are called pollutants. Carbon dioxide and carbon monoxide.
Ques: Name the sources of air pollutants.
Ans: Factory, electric reactor, automobile vehicles, Fuels like coal and wood etc.
Ques: Name the element that is responsible for damaging of ozone layer.
Ans: Chlorofluro carbon (CFC).
Ques: What are the sources of Chlorofluro carbon (CFC)?
Ans: Chlorofluro carbon (CFC) are used in refrigerators, air conditioners and aerosole.
Ques: How is ozone layer useful for us?
Ans: Ozone layer prevents us to the ultraviolet rays coming from the sun.
Ques: Why are the ultraviolet rays harmful for us?
Ans: Ultraviolet rays carry radiations Which harm our body and cause various diseases like cancer and skin disorders.
Ques: What is acid rain?
Ans: The sulphur dioxide and nitrogen form sulphuric acid nitric acid react with moisture and water vapour in atmosphere. This is called acid rain.
Class 8 chapter 18. Pollution of Air and Water important extra long questions with solution for board exams and term 1 and term 2 exams.
See other sub-topics of this chapter:
4. Additional Questions With Solutions
5. Additional Questions With Solutions
Class 8 chapter 18. Pollution of Air and Water important extra long questions with solution for board exams and term 1 and term 2 exams. - 18. Pollution of Air and Water - Additional Questions With Solutions: NCERT Book Solutions for class 8th. All solutions and extra or additional solved questions for 18. Pollution of Air and Water : Additional Questions With Solutions Science class 8th:English Medium NCERT Book Solutions. Class 8 chapter 18. Pollution of Air and Water important extra long questions with solution for board exams and term 1 and term 2 exams.
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Notes And NCERT Solutions
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Science Chapter List
1. Crop Production And Management
2. Microorganisms : Friend And Foe
3. Synthetic Fibres And Plastics
4. Materials : Metals And Non-Metals
5. Coal And Petroleum
6. Combustion And Flame
7. Conservation of Plants And Animals
8. Cell - Structure and functions
9. Reproduction in animals
10. Reaching the age of adolescence
11. Force And Pressure
12. Friction
13. Sound
14. Chemical Effects of Electric Current
15. Some Natural Phenomena
16. Light
17. Stars And The Solar System
18. Pollution of Air and Water
