को छोड़कर सभी प्राथमिक प्र – McqOptions

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1.	को छोड़कर सभी प्राथमिक प्रदूषक हैं
A.	अमोनिया
B.	पेरोक्सीएसिटाइल नाइट्रेट (पैन)
C.	सल्फर डाइऑक्साइड
D.	हाइड्रोजन सल्फाइड
Answer» B. पेरोक्सीएसिटाइल नाइट्रेट (पैन)

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