JKSSB Written 2018
Answer & Explanation
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Correct Answer:
Option A —
Oxides of Sulphur and Nitrogen
The Mathura Oil Refinery, located about 50 km from the Taj Mahal, has been a major source of concern because it releases Sulphur Dioxide and Nitrogen Oxides into the atmosphere.How it affects the Taj Mahal: Acid Rain When these gases react with the moisture (water vapor) in the air, they form Sulphuric Acid and Nitric Acid. These acids fall to the earth as Acid Rain. The Taj Mahal is made of white marble, which is chemically Calcium Carbonate . The acid rain reacts with the marble through a process called "Marble Cancer," which corrodes the stone and turns it yellow.
Answer verified by Quintessence Classes faculty — Karan Nagar, Srinagar.