NEET > Chemistry Class 11 > Water Pollution & Its Causes
Water Pollution & Its Causes Video Lecture - Chemistry Class 11 - NEET
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FAQs on Water Pollution & Its Causes Video Lecture - Chemistry Class 11 - NEET
| 1. What are the main causes of water pollution? |  |
Ans. The main causes of water pollution include industrial waste discharge, improper sewage disposal, agricultural runoff, oil spills, and dumping of chemicals and plastics into water bodies.
| 2. How does industrial waste contribute to water pollution? | |
Ans. Industrial waste contains harmful substances such as heavy metals, chemicals, and toxins that are discharged into water bodies. This waste can contaminate the water, making it unsafe for humans and wildlife, and disrupting the ecosystem.
| 3. What are the effects of agricultural runoff on water pollution? | |
Ans. Agricultural runoff, which includes pesticides, fertilizers, and animal waste, can enter water bodies through rainwater or irrigation. These pollutants can lead to excessive algal growth, oxygen depletion, and harm aquatic life, causing water pollution.
| 4. How do oil spills affect water pollution? | |
Ans. Oil spills occur when oil is released into water bodies, either accidentally or intentionally. These spills can coat the surface of the water, harming marine life, birds, and plants. The oil can also contaminate the water, making it toxic and disrupting the ecosystem.
| 5. What are the dangers of dumping chemicals and plastics into water bodies? | |
Ans. Dumping chemicals and plastics into water bodies can have severe consequences. Chemicals can contaminate the water, making it hazardous for both humans and aquatic life. Plastics can take hundreds of years to decompose, leading to the accumulation of plastic waste in water bodies, which can harm marine animals and pollute the environment.
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Video Description: Water Pollution & Its Causes for NEET 2023 is part of Chemistry Class 11 preparation.
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