Stone surface material may be lost all over or only in spots that are more reactive.
Is acid rain damaging a marble statue a physical change.
Although metal statues resist physical deterioration from acid rain better than stone they can develop discoloration and streaking.
Acid rain has a devastating impact on a statue carved from marble.
In exposed areas of buildings and statues we see roughened.
No its a chemical change because the acid in the rain reacts with the copper in the statue having a reaction oxidizing it and turning it green.
Acid precipitation affects stone primarily in two ways.
Acid rain will wear away and destroy the outer layers of the marble.
How does acid precipitation affect marble and limestone buildings.
When sulfurous sulfuric and nitric acids in polluted air and rain react with the calcite in marble and limestone the calcite dissolves.
When sulfurous sulfuric and nitric acids in polluted air react with the calcite in marble and limestone the calcite dissolves.
Acid rain has also attacked the chiseled words on some tombstones rendering them unreadable.
Over decades of exposure to acid rain the details of a statue can be lost slowly turning them into featureless blobs.