Chapter 15 of 41
Revision Notes
Noise and Soil Pollution — Revision Notes
Telangana Open School (TOSS) · Class 12 · Chemistry
Noise and Soil Pollution revision notes for Telangana Open School (TOSS) Class 12 Chemistry: 3 topics in quick points.
46 questions30 flashcards3 concepts
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Key Topics to Revise
1
Noise Pollution
- Noise is any unwanted sound that causes discomfort or harm.
- It is measured in decibels (dB).
- Noise pollution is defined as unwanted noise exceeding 65 dB.
2
Soil Pollution
- Soil pollution refers to the contamination of soil by harmful substances like pesticides, heavy metals, and plastics.
- It alters the natural composition of soil and affects plant growth and human health.
- Sources include agricultural chemicals, industrial waste, mining, oil spills, sewage, and non-biodegradable plastics.
3
Green Chemistry
- Green Chemistry aims to design chemical processes that reduce or eliminate hazardous substances.
- It focuses on preventing pollution at the source rather than managing waste later.
- Twelve principles guide green chemistry, including waste prevention, atom economy, and safer solvents.
Get complete notes with diagrams and examples
Full NotesKey Concepts
Unwanted sound above 65 decibels (dB)Soil pollution occurs when harmful substancesGreen Chemistry is a scientific approach
Frequently Asked Questions
What are the important topics in Noise and Soil Pollution for Telangana Open School (TOSS) Class 12 Chemistry?
Key topics in Noise and Soil Pollution include Noise Pollution, Soil Pollution, Green Chemistry. Study these first, then practise questions on each for the Telangana Open School (TOSS) Class 12 board exam.
How should I revise Noise and Soil Pollution for the Telangana Open School (TOSS) Class 12 board exam?
Learn the core ideas first, then work through the 46 practice questions on Noise and Soil 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.
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