General Knowledge · General Studies
सिगरेट के धुएं में मुख्य प्रदूषक क्या हैं?
- 1कार्बन मोनोक्साइड
- 2निकोटीन
- 3कार्बन मोनोक्साइड और निकोटीन✓
- 4डाईक्लोरोएथीन
सही उत्तर देखें
कार्बन मोनोक्साइड और निकोटीन
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