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Automobile exhaust gas that causes major...

Automobile exhaust gas that causes major respiratory problem is

A

CO

B

`CH_(4)`

C

`NO_(2)`

D

Chlorine.

Text Solution

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The correct Answer is:
**Step-by-Step Text Solution:** 1. **Identify the Question**: The question asks which automobile exhaust gas causes major respiratory problems. 2. **Consider the Options**: The options provided are: - Carbon monoxide - Methane - Nitrogen dioxide - Chlorine 3. **Analyze Each Option**: - **Carbon Monoxide**: This is a colorless, odorless gas that is toxic and can cause serious health issues when inhaled. It is known to bind with hemoglobin in the blood, reducing the blood's ability to carry oxygen, which can lead to respiratory problems and even death. - **Methane**: While methane is a greenhouse gas, it is not known to cause respiratory problems in the same way that carbon monoxide does. - **Nitrogen Dioxide**: This gas can cause respiratory issues, particularly in high concentrations, but it is not as commonly associated with automobile exhaust as carbon monoxide. - **Chlorine**: Chlorine is a toxic gas that can cause respiratory irritation, but it is not a typical component of automobile exhaust. 4. **Determine the Correct Answer**: Based on the analysis, carbon monoxide is the gas that is most directly linked to major respiratory problems caused by automobile exhaust. 5. **Conclusion**: Therefore, the correct answer to the question is **Carbon Monoxide**. ---
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