AP and TS EAMCET Engineering Model Paper 5

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Question : 121 of 160

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CHEMISTRY

Tajmahal gets deteriorated by acid rain. The chemical reaction related is

Na2CO3+H2SO4→Na2SO4+CO2+H2O
CaCO3+H2SO4→ CaSO4+CO2+H2O
NaCO3+CaCl2→ CaCO3+2HCl
CaCO3+2HCl→ CaCl2+CO2+H2 O

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