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19-02-2019
Chemistry

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Many stone buildings are made from limestone, which is primarily Valium carbonate. What happens to such buildings over time if they are exposed to acid rain?

Respuesta :

19-02-2019

Answer:

They gradually dissolve.

Step-by-step explanation:

The acids in acid rain react with the calcium carbonate.

For example,

CaCO₃ + 2HNO₃ ⟶ Ca(NO₃)₂ + H₂O + CO₂

The soluble calcium salts wash away.

The surfaces of the buildings become eroded and carved details gradually disappear.

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