Which of the following gases cause acid rain: (a) CO2 (b) SO2 (c) CO (d) NO2
Understand the Problem
The question is asking about the gases responsible for causing acid rain, specifically which one of the options listed contributes to this environmental issue.
Answer
SO2 and NO2
The gases that cause acid rain are SO2 and NO2.
Answer for screen readers
The gases that cause acid rain are SO2 and NO2.
More Information
Acid rain is primarily caused by sulfur dioxide (SO2) and nitrogen oxides (NO2) reacting with water vapor in the atmosphere to form sulfuric and nitric acids.
Tips
A common mistake is assuming CO2 is a major cause. While CO2 can contribute to acidity, SO2 and NOx are the primary contributors.
Sources
- What causes acid rain? - EPA - epa.gov
- Which gases are responsible for acid rain - BYJU'S - byjus.com
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