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Syllabus

Waste — Syllabus

ICSE · Class 10 · Environmental Science

What Waste covers in ICSE Class 10 Environmental Science: 4 topics, for the 2026-27 session. Part of the ICSE Class 10 Environmental Science syllabus.

83 questions52 flashcards5 concepts

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4 Topics · ICSE Class 10 Environmental Science · 2026-27

Topics in Waste

1

1. Nature and Types of Waste

  • Waste is material that is no longer useful or needed.
  • Before 1970, waste was viewed as useless material with no intrinsic value. Later, this view changed because waste created health, environmental, sanitation, and protection problems.
  • The composition of waste has changed from mainly biodegradable material to more non-biodegradable material because consumption patterns have changed.
2

2. Types of Solid Waste

  • Domestic waste comes from homes and includes kitchen waste, packaging material, and other discarded items.
  • About 90% of domestic waste is directly dumped on land.
  • Industrial waste is released by industrial units during manufacturing.
3

3. Landfills

  • Landfilling is a method of waste disposal in which waste is buried at a site called a landfill.
  • A sanitary landfill disposes refuse on land without creating nuisance to public health.
  • In a sanitary landfill, waste is dumped and covered with a thin layer of soil.
4

4. Incinerators

  • Incineration is a waste treatment technology that involves combustion of waste for recovering energy.
  • Incineration and other high-temperature waste treatment systems are called thermal treatment.
  • Incineration converts waste into ash, gases, and heat.

Key Concepts

Central concept: Waste management and disposal

Solid wasteBiodegradable wasteNon-biodegradable wasteTypes of solid wasteLandfillsIncineratorsWaste management methodsComposting

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Frequently Asked Questions

What are the important topics in Waste for ICSE Class 10 Environmental Science?
Key topics in Waste include Nature and Types of Waste, Types of Solid Waste, Landfills, Incinerators. Study these first, then practise questions on each for the ICSE Class 10 board exam.
How should I revise Waste for the ICSE Class 10 board exam?
Learn the core ideas first, then work through the 83 practice questions on Waste. 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 ICSE Class 10 Environmental Science Syllabus

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