11th Class Chemistry Environmental Chemistry Question Bank 11th CBSE Chemistry Environmental Chemistry

  • question_answer Why is acid rain considered as a threat to Taj Mahal?

    Answer:

                    Taj Mahal is made of marble. The acid rain contains \[{{H}_{2}}S{{O}_{4}}\] which attacks the marble \[(CaC{{O}_{3}})\] thereby pitting it, discolouring it and making it lustreless. \[CaC{{O}_{3}}+{{H}_{2}}S{{O}_{4}}\xrightarrow{\,}\,CaS{{O}_{4}}+C{{O}_{2}}+{{H}_{2}}O\]


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