11th Chemistry NCERT notes

Water Pollution

Presence of undesirable materials in water which is harmful for the human beings and plants is known as water pollution. Normal properties of the...
11th Chemistry NCERT notes

Stratospheric Pollution

Stratosphere: Above the troposphere, between 10 and 50 km above sea level lies stratosphere. Ozone layer is one of the important constituents of stratosphere. The...
11th Chemistry NCERT notes

Particulate Pollutants

Viable Particulates: They are minute living organisms that are dispersed in the atmosphere. (e.g., bacteria, fungi, moulds, algae, etc.) Non- Viable Particulates Smoke: It is the...
11th Chemistry NCERT notes

Gaseous Air Pollutants

Global Warming and Greenhouse Effect About 75% of the solar energy reaching the earth is absorbed by the earth’s surface, which increases it’s temperature. The...