The result of ozone hole is...........?
Acid rain
UV radiations
Global warming
Green house effect
Particulate air pollutants are
CO2
SO2
O2
Aerosol
Rain water is :
Slightly acidic.
Strongly acidic.
Natural.
Slightly alkaline.
If the solar radiation is less the photo chemical smog formation becomes incomplete, the air is called :
Grey air.
Brown air.
Green air.
Both b and c.
Volcanic eruption is a type of
Natural pollution
water pollution
Industrial pollution
None of these
Ozone, peroxy acetylnitrate and nitrogen oxides combine to form
Photochemical smog
Hydrocarbons
Taj Mahal at Agra may be damaged by
H2SO4
Chlorine
Sulphurdioxide
Oxygen
Coral reefs are damaged by
Domestic sewage
Oil spills
Hot water
All these
Which of the following is the most dangerous metal pollutant of automobile exhaust ?
Cadmium
Mercury
Copper
Lead