Noise and Soil Pollution
Telangana Open School (TOSS) · Class 12 · Chemistry
Complete topic list for Noise and Soil Pollution in Telangana Open School (TOSS) Class 12 Chemistry. Key concepts, sub-topics, and what to focus on for board exams.
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Topics in Noise and Soil Pollution
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.
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.
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.
Key Concepts
Central concept: Environmental Pollution
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