NEET
- Exam
- NEET
- Subject
- Chemistry
- Chapter
- Environmental Chemistry
NEET · Chemistry · Environmental Chemistry
What is the primary cause of photochemical smog?
What is the primary cause of photochemical smog?
Options
- AIndustrial emissions
- BForest fires
- CAutomobile emissions and sunlight
- DVolcanic eruptions
Correct answer
C. Automobile emissions and sunlight
Step-by-step solution
Photochemical smog is primarily caused by the action of sunlight on unsaturated hydrocarbons and nitrogen oxides produced by automobiles and other sources.