Primary pollutants are…………
a) SOx
b) NOx
c) CO, CO2
d) all of these
Secondary pollutants are formed from………
a) primary pollutants
b) secondary pollutants
c) both a b
d) none of these
…………are formed when primary pollutants react or interact with each other or with other substances.
a) primary pollutants
b) secondary pollutants
c) both a & b
d) none of these
An important example of secondary pollutant is………..
a) volatile organic compounds
b) ground level ozone
c) volcanic eruption
d) both a & b
………is the example of secondary pollutants
a) volatile organic compounds
b) acid rain
b) volcanic eruption
d) none of these
Pollutants may be…………
a) particulate
b) gaseous
c) both a & b
d) none of these
Explanation:The substance responsible for causing pollution are called pollutants.
