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Syllabus

Environmental Concerns — Syllabus

Telangana Open School (TOSS) · Class 12 · Chemistry

What Environmental Concerns covers in Telangana Open School (TOSS) Class 12 Chemistry: 3 topics, for the 2026-27 session.

44 questions35 flashcards5 concepts

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3 Topics · Telangana Open School (TOSS) Class 12 Chemistry · 2026-27

Topics in Environmental Concerns

1

Components and Segments of Environment

  • Environment consists of biotic (living) and abiotic (non-living) components.
  • Biotic components include plants, animals, and microorganisms.
  • Abiotic components include air, water, soil, sunlight, and temperature.
2

Types and Sources of Pollutants

  • Pollutants are substances that cause harm when present in excessive amounts in the environment.
  • Pollutants can be natural (e.g., volcanic SO₂, forest fires) or human-made (anthropogenic).
  • Primary pollutants are released directly into the environment (e.g., CO, SO₂, NOₓ).
3

Effects of Pollution

  • Air pollutants like SO₂ cause acid rain, which damages soil nutrients and corrodes buildings.
  • CO binds with hemoglobin to form carboxyhemoglobin, reducing oxygen supply in blood.
  • CFCs destroy ozone layer, leading to increased UV radiation and health risks.

Key Concepts

Central concept: Environmental Pollution

EnvironmentSegments of EnvironmentThreats to EnvironmentPollutantsSources of PollutantsEffects of PollutionCase Studies

Work through every topic in Environmental Concerns with notes and quizzes

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Frequently Asked Questions

What are the important topics in Environmental Concerns for Telangana Open School (TOSS) Class 12 Chemistry?
Key topics in Environmental Concerns include Components and Segments of Environment, Types and Sources of Pollutants, Effects of Pollution. Study these first, then practise questions on each for the Telangana Open School (TOSS) Class 12 board exam.
How should I revise Environmental Concerns for the Telangana Open School (TOSS) Class 12 board exam?
Learn the core ideas first, then work through the 44 practice questions on Environmental Concerns. 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.

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All Telangana Open School (TOSS) Class 12 Chemistry Syllabus

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