Question:
Wliy does Mathura refinery pose problems to the Taj Mahal ?
(CCE 2014)
Solution:
Mathura refinery emits hydrocarbons and sulphur oxides. Hydrocarbons induce the formation of ozone which is highly oxidising. Sulphur dioxide produces acid rain which has a corroding effect on marble. Therefore, Mathura refinery does pose problems to Taj Mahal.