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  4. The beauty of Taj Mahal is endangered due to

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Q. The beauty of Taj Mahal is endangered due to

UP CPMTUP CPMT 2015Environmental Issues

Solution:

The Taj Mahal is built with white marble and is threatened by environmental pollution, especially due to sulphur dioxide. Sulphur dioxide is produced during combustion of fossil fuels, refining of petroleum and smelting of sulphur containing ores. Threat to Taj Mahal from Mathura refinery is due to pollutant gases composed of $SO_2, H_2S$ and nitrogen oxides. They would convert $CaCO_3$ (marble) into calcium sulphate and calcium nitrate.