SO2 reacts with the moisture present in the air and forms sulphuric acid. The sulphuric acid formed comes down along with rainwater and is known as acid rain. The acid rain that falls on the marbles leads to corrosion and yellowing of the marble. Thus yellowing of marble is not caused by H2S, CO2 or NH3 instead it is caused by SO2.
Hence, option B is correct.
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Q1
The gas which causes yellowing of Taj mahal:
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Q2
The air pollutants released from the Mathura oil refinery have caused damage to the Taj Mahal. The air pollutant responsible for the yellowing of the marble of the Taj Mahal is_________.
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Q3
Harmful gases like SO2, which harm the Taj Mahal are present in:
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Q4
Question 3
(a) What is the cause for the yellowing of the Taj Mahal?