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Q.
The Taj Mahal is threatened due to effect of
AMUAMU 2002
Solution:
The major source of $SO _{2}$ emission are burning of fossil fuel in thermal power plant, smelting industries and other processes as manufacture of sulphuric acid and fertilizers. $SO _{2}$ is involved in the erosion of building materials as limestone marble, the state used in roofing, mortar and deterioration of states. $SO _{2}$ is also component of acid rain.
Chlorine destroys ozone molecules.
Oxygen and hydrogen are the main components of air and are not pollutant.