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प्रश्न
List two advantages of the use of unleaded petrol in automobiles as fuel.
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उत्तर
- Automobiles equipped with a catalytic converter should use unleaded petrol because lead in the petrol inactivates the catalysts of the converter.
- The use of unleaded petrol prevents the release of poisonous gases (e.g., nitrous oxide) in the environment.
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संबंधित प्रश्न
Discuss briefly about Catalytic converter
At an individual level, how can you help reduce air pollution?
Looking at the deteriorating air quality because of air pollution in many cities of the country, the citizens are very much worried and concerned about their health. The doctors have declared the health emergency in the cities where the air quality is very severely poor.
- Mention any two major causes of air pollution.
- Write any two harmful effects of air pollution to plants and humans.
- As a captain of your school Eco-club, suggest any two programmes you would plan to organise in the school so as to bring awareness among the students on how to check air pollution in and around the school.
Short answer type question
How does CO cause giddiness and exhaustion?
Electrostatic precipitators are used to control
List any two adverse effects of particulate matter on human health.
Is it true that carpets and curtains/drapes placed on the floor or wall surfaces can reduce noise level. Explain briefly?
Match the following and choose the correct option.
| Column I | Column II |
| A. Environment Protection Act | i. 1974 |
| B. Air Prevention & Control of Pollution Act | ii. 1987 |
| C. Water Act | iii. 1986 |
| D. Amendment of Air Act to include noise as an air pollutant | iv. 1981 |
Brick kilns give out both gaseous and particulate pollutants.
Match the following and choose the correct option.
| Column I | Column II |
| A. Environment Protection Act | i. 1974 |
| B. Air Prevention & Control of Pollution Act | ii. 1987 |
| C. Water Act | iii. 1986 |
| D. Amendment of Air Act to include noise as an air pollutant | iv. 1981 |
