Q.1. Which oxide of nitrogen is not a common pollutant introduced into the atmosphere both due to natural and human activity ? (2018)
Nitrous oxide (N2O) occurs naturally in environment.
In automobile engine, when fossil is burnt dinitrogen & dioxygen combine to yield NO & NO2.
Q.2. Which of the following is a sink for CO ? (2017)
A: Microorganisms present in the soil
Microorganisms present in the soil.
Q.3. Which one of the following is not a common component of Photochemical Smog? (2014)
A: Peroxyacetyl nitrate
Common components of Photochemical smog are peroxyacetyl nitrate, chlorofluorocarbons and ozone etc.