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Question

Identify the pollutant gases largely responsible for the discoloured and lustreless nature of the marble of the Taj Mahal.
  1. SO2 and NO2
  2. CO2 and NO2
  3. O3 and CO2
  4. SO2 and O3

A
O3 and CO2
B
CO2 and NO2
C
SO2 and NO2
D
SO2 and O3
Solution
Verified by Toppr

SO2 and NO2 are the pollutant gases largely responsible for the discoloured and lusterless nature of the marble of the Taj Mahal. Usually oxides of nitrogen and sulphur cause acid rain which reacts with marble and cause it's dicoloration.
Option (B) is the correct answer.

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