Bihar Board - Class 11 - Chemistry - Chapter 14 : Environmental Chemistry Handwritten Notes
Environmental Chemistry is an important branch of chemistry that deals with the study of chemical processes occurring in the environment and their impact on living organisms. This chapter covers the key concepts of environmental chemistry, including pollution sources, environmental degradation, and sustainable practices to manage and mitigate environmental issues.
Key Points
Introduction to Environmental Chemistry
- Definition and scope of environmental chemistry as a field.
- The role of chemistry in understanding environmental issues.
Sources of Environmental Pollution
- Natural sources: volcanic eruptions, forest fires, dust storms.
- Anthropogenic sources: industrial emissions, agricultural runoff, urban waste.
Types of Pollution
- Air Pollution: Caused by gases like sulfur dioxide, nitrogen oxides, carbon monoxide, etc.
- Water Pollution: Contamination from industrial waste, pesticides, and fertilizers.
- Soil Pollution: Due to the disposal of hazardous waste and improper land use.
Environmental Degradation
- The impact of pollution on ecosystems, soil health, water quality, and air quality.
- Climate change and its chemical aspects.
Sustainable Practices and Solutions
- Strategies to reduce pollution: recycling, waste management, cleaner technologies.
- Role of green chemistry in developing environmentally friendly processes.
- Importance of conservation efforts and public awareness in protecting the environment.
Conclusion
Environmental Chemistry is crucial for understanding the chemical interactions in nature and their consequences. It emphasizes the need for sustainable practices and solutions to combat pollution and protect our planet. This chapter highlights the importance of adopting environmentally friendly approaches in both scientific research and everyday life.
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