Science · Environmental Chemistry
पेरोक्सीऐसीटिल नाइट्रेट (PAN) किस प्रकार का पर्यावरणीय प्रदूषक है?
- 1प्राकृतिक प्रदूषक
- 2जैव-अपघटनीय प्रदूषक
- 3प्राथमिक प्रदूषक
- 4द्वितीयक (गौण) प्रदूषक✓
सही उत्तर देखें
द्वितीयक (गौण) प्रदूषक
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