NCERT Class XI Chemistry Environmental Chemistry Solutions

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Question : 5
Total: 20
Statues and monuments in India are affected by acid rain. How?
Solution:  
Monuments and statues are made of either stone or metal M both of which have a tendency to react with acid and therefore, get affected by acid rain which contains H2SO4.
M
(metal)
+H2SO4
M2SO4+H2
CaC
O3
(fromstone)
+H2SO4
CaSO4+H2O+CO2
As a result, the monuments are being slowly disfigured.
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