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Atmospheric Pollution — Chapter Summary

ICSE · Class 9 · Chemistry

Summary of Atmospheric Pollution for ICSE Class 9 Chemistry. Part of the ICSE Class 9 Chemistry syllabus. Atmospheric pollution is the contamination.

43 questions44 flashcards7 formulas & key relations5 concepts

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An infographic illustrating the classification of pollutants based on their state (solid, liquid, gaseous) and degradability (degradable, slowly degradable, non-degradable) with examples.
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Overview

Atmospheric pollution is the contamination of air by harmful gases and particles that damage plants, animals, and human beings. It includes pollutants from natural sources such as volcanoes, forest fires, and dust storms, as well as man-made sources like automobiles, factories, and industrial proces

Key Concepts

Pollution is the effect of undesirable

Pollution is the effect of undesirable changes in the surroundings that harm plants, animals, and human beings. Pollutants are harmful substances that

Natural sources include volcanoes

Natural sources include volcanoes, decaying vegetation, forest fires, winds, and dust storms. Man-made sources include automobiles, factories, industr

Carbon monoxide is poisonous and reduces

Carbon monoxide is poisonous and reduces oxygen transport in blood. Sulphur dioxide damages crops and lungs. Nitrogen oxides harm plants, cause respir

Smog is a dark

Smog is a dark, thick fog laden with dust and soot formed by a combination of oxides of nitrogen and sulphur with partially oxidized hydrocarbons. Pho

Carbon monoxide is produced by incomplete

Carbon monoxide is produced by incomplete combustion of fuels. It binds with haemoglobin more than 200 times more strongly than oxygen, forming carbox

Learning Objectives

  • Understand the meaning of pollution, pollutant, and air pollution.
  • Identify natural and man-made sources of air pollutants.
  • Explain the harmful effects of common air pollutants such as carbon monoxide, sulphur dioxide, nitrogen oxides, ozone, and CFCs.
  • Describe the formation, composition, causes, and impact of acid rain.
  • Explain the greenhouse effect and global warming along with their sources and effects.

Frequently Asked Questions

What are the important topics in Atmospheric Pollution for ICSE Class 9 Chemistry?
Key topics in Atmospheric Pollution include Pollution and Air Pollution, Sources of Air Pollutants, Important Air Pollutants and Their Harmful Effects, Oxides of Nitrogen and Oxides of Sulphur. Study these first, then practise questions on each for Class 9 exams.
How should I revise Atmospheric Pollution for Class 9 exams?
Learn the core ideas first, then work through the 43 practice questions on Atmospheric Pollution. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

More resources for Atmospheric Pollution

All ICSE Class 9 Chemistry Chapter Summary

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