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Which of the following is not a secondary pollutant?
- a)Carbonic acid
- b)Sulphuric acid
- c)Ozone
- d)Carbon dioxide
Correct answer is option 'D'. Can you explain this answer?
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Most Upvoted Answer
Which of the following is not a secondary pollutant?a)Carbonic acidb)...
A primary pollutant is an air pollutant emitted directly from a source. For example: Carbon dioxide
A secondary pollutant is not directly emitted as such, but forms when other pollutants (primary pollutants) react in the atmosphere. Examples of a secondary pollutant include ozone, which is formed when hydrocarbons and nitrogen oxides (NOx) combine in the presence of sunlight; NO2, which is formed as NO combines with oxygen in the air; and acid rain, which is formed when sulphur dioxide or nitrogen oxides react with water.
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Which of the following is not a secondary pollutant?a)Carbonic acidb)...
Carbon dioxide is not a secondary pollutant
Secondary pollutants are formed in the atmosphere through chemical reactions involving primary pollutants. Carbon dioxide is not considered a secondary pollutant because it is a primary pollutant itself.
Here are the characteristics of the other options:
Carbonic acid:
- Carbonic acid is formed when carbon dioxide dissolves in water, leading to a decrease in pH levels.
- It is considered a secondary pollutant as it is formed through a chemical reaction involving the primary pollutant, carbon dioxide.
Sulphuric acid:
- Sulphuric acid is formed through the oxidation of sulfur dioxide, a primary pollutant emitted from burning fossil fuels.
- It is classified as a secondary pollutant as it is produced through chemical reactions in the atmosphere.
Ozone:
- Ozone is a secondary pollutant formed from the reaction of nitrogen oxides and volatile organic compounds in the presence of sunlight.
- It is considered a secondary pollutant due to its formation through the interaction of primary pollutants in the atmosphere.
In conclusion, carbon dioxide is not a secondary pollutant as it is a primary pollutant emitted directly into the atmosphere through various human activities such as burning fossil fuels and deforestation.
Secondary pollutants are formed in the atmosphere through chemical reactions involving primary pollutants. Carbon dioxide is not considered a secondary pollutant because it is a primary pollutant itself.
Here are the characteristics of the other options:
Carbonic acid:
- Carbonic acid is formed when carbon dioxide dissolves in water, leading to a decrease in pH levels.
- It is considered a secondary pollutant as it is formed through a chemical reaction involving the primary pollutant, carbon dioxide.
Sulphuric acid:
- Sulphuric acid is formed through the oxidation of sulfur dioxide, a primary pollutant emitted from burning fossil fuels.
- It is classified as a secondary pollutant as it is produced through chemical reactions in the atmosphere.
Ozone:
- Ozone is a secondary pollutant formed from the reaction of nitrogen oxides and volatile organic compounds in the presence of sunlight.
- It is considered a secondary pollutant due to its formation through the interaction of primary pollutants in the atmosphere.
In conclusion, carbon dioxide is not a secondary pollutant as it is a primary pollutant emitted directly into the atmosphere through various human activities such as burning fossil fuels and deforestation.
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Which of the following is not a secondary pollutant?a)Carbonic acidb)Sulphuric acidc)Ozoned)Carbon dioxideCorrect answer is option 'D'. Can you explain this answer?
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