Statues and structures are made up of marble limestone etc are slowly corroded as acidic.
Acid rain marble cancer.
The main cause of marble cancer is acid rain.
My answer might not give an accurate answer to this question but can definitely add some perspective to it.
Both sulphuric and nitric acid dissolve marble from salts.
Acid rain rain is called acid rain only if it has more acid than normal.
These oxides absorb moisture from the air and get converted into respective acids and cause corrosion.
The rainwater falls on them.
Please watch the video below where scientists and archaeologists describe the cause of taj mahal changing its color.
The phenomenon of marble cancer is due to acid rain.
Presence of calcium carbonate in the acid rain.
The main causes of acid rain are gases called sulfur dioxide so2 and nitrogen oxides nox.
Stone surface material may be lost all over or only in spots that are more reactive.
The marble cancer refers to the corrosion of building and statues made up of marbles by action of sulfuric acid and nitric acid the so 2 and no x present in pollution get deposited on these buildings.
In exposed areas of buildings and statues we see roughened surfaces removal of material and loss of carved details.
Statues and structures made up of marble and limestone are slowly corroded as the rain water containing the acids fall on them both sulphuric acid and nitric acid dissolve marble to form salts acid rain corrodes the marble of the monument this phenomenon is also known as marble cancer.
Acid rain corroded the marble of the monument.
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This phenomenon is called as marble cancer.
Various gases like sulphur dioxide oxides of nitrogen are released from factories.
Also when it rains the oxides of sulfur and nitrogen present in air react with it to form.
The slow corrosion or eating up of marble of a monument by acid rain is known as marble cancer.
When sulfurous sulfuric and nitric acids in polluted air and rain react with the calcite in marble and limestone the calcite dissolves.