Identify the pollutant gases largely responsi | vedclass

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(C) The marble of the Taj Mahal is primarily composed of calcium carbonate $(CaCO_3)$.Pollutant gases like $SO_2$ and $NO_2$ react with moisture in th

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$SO_2$ and $NO_2$

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(C) The marble of the Taj Mahal is primarily composed of calcium carbonate $(CaCO_3)$.Pollutant gases like $SO_2$ and $NO_2$ react with moisture in the atmosphere to form sulfuric acid $(H_2SO_4)$ and nitric acid $(HNO_3)$,respectively.These acids cause acid rain,which reacts with the marble to form soluble salts,leading to the discolouration and loss of lustre of the monument.

Identify the pollutant gases largely responsible for the discoloured and lustreless nature of marble of the Taj Mahal.

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