Formula of tear gas is
COCl2
N2O
C10H5ClN2
none of these
Pollutants released from iron and steel industry are
CO2, NO2, H2S
CO, CO2, SO2
CO2, SO2, NO2
CO2, NO, SO2
Which of the following pollutants is not emitted during volcanic eruptions ?
SO2
H2S
Hydrocarbons
CO
Persons working in cement plants and lime stone quarries are more prone to disease like
asthama
cancer
silicosis
pneumoconiosis
Lead in water can cause
arthritis
hair falling
kidney damage
All of these
Ozone depletion in the stratosphere is mainly caused by
NO2
NO
Chlorofluorocarbons
Ozone hole is maximum over
India
Pakistan
Australia
Antarctica
Main pollutant from automobile exhaust is
CO2
Aerosols present in air are
negatively charged
positively charged
neutral
combination of all of the above
Planting more and more trees helps to
reduce CO2 in the air
increase CO2 in the air
reduce O2 in the air
reduce CO2 and increase O2 in the air