Chapter 7: Pollution of Air and Water

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Pollution of Air and Water


Describe the threat to the beauty of the Taj Mahal.


The Taj Mahal is yellowing day by day due to the release of sulfur dioxide (SO2) and nitrogen dioxide (NO2) from the industries located in and around Agra like rubber processing, automobile, chemicals, and especially the Mathura oil refinery. These gases react with the water vapor present in the atmosphere to form sulfuric acid (H2SO4) and nitric acid (HNO3). The acids drop down with rain, making the rain acidic. This is called acid rain. Acid rain corrodes the marble of the monument. Since this acid rain is making the Taj Mahal weak day by day, the phenomenon is named “marble cancer”. 

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