Computer · Environmental Engineering
निम्नलिखित विकल्पों में से द्वितीयक वायु प्रदूषक (Secondary air pollutant) की पहचान करें:
- 1नाइट्रोजन के ऑक्साइड
- 2हाइड्रोकार्बन
- 3पेरॉक्सीएसिटाइल नाइट्रेट (PAN)✓
- 4कणकीय पदार्थ (Particulate matter)
सही उत्तर देखें
पेरॉक्सीएसिटाइल नाइट्रेट (PAN)
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