RBSE Class 8 Science Notes Chapter 18 Pollution of Air and Water

These comprehensive RBSE Class 8 Science Notes Chapter 18 Pollution of Air and Water will give a brief overview of all the concepts.

Rajasthan Board RBSE Solutions for Class 8 Science in Hindi Medium & English Medium are part of RBSE Solutions for Class 8. Students can also read RBSE Class 8 Science Important Questions for exam preparation. Students can also go through RBSE Class 8 Science Notes to understand and remember the concepts easily. Browsing through class 8 science chapter 14 extra questions that includes all questions presented in the textbook.

RBSE Class 8 Science Chapter 18 Notes Pollution of Air and Water

→ Air pollution is the contamination of air by impurities which may have a harmful impact on the living organisms and the non-living components. Carbon monoxide, nitrogen oxides, carbon- dioxide, methane and sulphur dioxide are the major pollutants of air.

→ Increasing levels of greenhouse gases like CO2 are leading to global warming. Other gases like methane, nitrous oxide and water vapour also contribute to it.

→ Water pollution is the contamination of water by substances harmful to life. Sewage, agricultural chemicals and industrial wastes are some of the major contaminants of water.

→ Water which is purified and fit for drinking is known as potable water. Water is a precious natural resource. We must try to conserve it.

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Last Updated on June 1, 2022, 5:12 p.m.
Published June 1, 2022