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Marble’s popularity began in ancient Rom...

Marble’s popularity began in ancient Rome and Greece, where white and off-white marble were used to construct a variety of structures, from hand-held sculptures to massive pillars and buildings.

Marble statues are corroded or stained rain water. Identify the main reason

A

decomposition of calcium carbonate to calcium oxide

B

polluted water is basic in nature hence it reacts with calcium carbonate

C

polluted water is acidic in nature he

D

calcium carbonate dissolves in water to give calcium hydroxide.

Text Solution

Verified by Experts

The correct Answer is:
B
Chemically, marble is Calcium Carbonate.
The atmosphere contains many oxides, which dissolve in water forming acids like sulfuric, nitric which are common due to modern pollution. Even carbon dioxide forms carbonic acid which also does damage.
These will react with marble and result in formation of calcium salt, carbon dioxide and water. So, under extended periods, the wear of marble statues is expected.
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