JKSSB Mock Tests

What is the most common factor for the yellowing of the Taj Mahal gradually over the years?

A. Carbon monoxide present in air
B. Marble turns yellow with time
C. Marble reacts with nitrogen in air
D. Acid rain
Answer: Option D
Solution (By JKSSB Mock Tests Team)
Industrial pollutants like sulfur dioxide react with atmospheric moisture to form acid rain, which chemically attacks and discolors the calcium carbonate marble of the Taj Mahal.
This Question Belongs to: General science Chemistry set 1
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