4 DEC FS Q.34
0. The most dominant source of Benzene emissions in ambient air is
- Option : B
- Explanation : Benzene (C6H6) is a natural component of crude oil, and petrol contains 1-5% by volume. Cigarette smoke is an important source of benzene in indoor air. The most dominant source of Benzene emissions in ambient air have been found maximum in the homes of smokers (10.5 ug/m3) than those of non-smokers (7 ug/m3).
