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Consider the following emissions of an IC engine:
1. CO2
2. HC
3. NOx
4. Particulates
Which of these emissions cause photochemical smog?
1. CO2
2. HC
3. NOx
4. Particulates
Which of these emissions cause photochemical smog?
- a)1 and 4
- b)1 and 2
- c)2 and 3
- d)3 and 4
Correct answer is option 'C'. Can you explain this answer?
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Consider the following emissions of an IC engine:1. CO22. HC3. NOx4. P...
Ans. (c)
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Consider the following emissions of an IC engine:1. CO22. HC3. NOx4. P...
Photochemical Smog and Emissions
CO2 and HC emissions do not directly contribute to the formation of photochemical smog. Therefore, options 1 and 2 can be eliminated.
Contributing Emissions
- NOx (Nitrogen Oxides) and Particulates are the primary emissions that contribute to the formation of photochemical smog.
- NOx reacts with volatile organic compounds (VOCs) in the presence of sunlight to form ozone, a key component of smog.
- Particulates can act as a surface for chemical reactions, leading to the formation of harmful pollutants in the atmosphere.
Formation of Photochemical Smog
- Photochemical smog is formed when NOx and VOCs react in the presence of sunlight to produce ground-level ozone.
- Ozone is a harmful pollutant that can cause respiratory issues and other health problems.
- Particulates can enhance the formation of smog by providing a surface for chemical reactions to occur.
Conclusion
In conclusion, NOx and Particulates are the emissions that cause photochemical smog. Therefore, option C (2 and 3) is the correct answer.
CO2 and HC emissions do not directly contribute to the formation of photochemical smog. Therefore, options 1 and 2 can be eliminated.
Contributing Emissions
- NOx (Nitrogen Oxides) and Particulates are the primary emissions that contribute to the formation of photochemical smog.
- NOx reacts with volatile organic compounds (VOCs) in the presence of sunlight to form ozone, a key component of smog.
- Particulates can act as a surface for chemical reactions, leading to the formation of harmful pollutants in the atmosphere.
Formation of Photochemical Smog
- Photochemical smog is formed when NOx and VOCs react in the presence of sunlight to produce ground-level ozone.
- Ozone is a harmful pollutant that can cause respiratory issues and other health problems.
- Particulates can enhance the formation of smog by providing a surface for chemical reactions to occur.
Conclusion
In conclusion, NOx and Particulates are the emissions that cause photochemical smog. Therefore, option C (2 and 3) is the correct answer.
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Consider the following emissions of an IC engine:1. CO22. HC3. NOx4. ParticulatesWhich of these emissions cause photochemical smog?a)1 and 4b)1 and 2c)2 and 3d)3 and 4Correct answer is option 'C'. Can you explain this answer?
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