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The acidity of rainwater acts to help dissolve limestone through a chemical reaction with the calcium carbonate.
Limestone is mostly made up of the mineral calcium carbonate ( CaCO 3 ) this is not very soluble so the rocks don't dissolve very quickly. If you add an acid however you add Hydrogen Ions ( H+ ) which will react with the carbonate to form hydrogen carbonate HCO3- ions which are very soluble in water, and the limestone will dissolve. Or if there is more acid about the two Hydrogen ions will react with a carbonate to form H2CO3 which will decompose to form carbon dioxide CO2 and water H2O.
The acid can come from a variety of sources sulphur and nitrogen oxides released by burning fuels will form sulphuric and nitric acids, can carbon-dioxide can dissolve in water to form carbonic acid.
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∙ 12y ago
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∙ 11y agowhen rain falls on limestone, it eats away the limestone and creates layers. geographical terms shows that limestone is very strong but if rained on it will dissolved away into cracks and layers.
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∙ 13y agoWhen heated it decomposes to Co2+Clacium Oxide.
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∙ 14y agoIt will sink to the bottom of a water filled container because it's density is greater. No chemical reaction will take place unless the water is acidic.
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∙ 11y agoWhen Limestone gets wet, the water dissolves the minerals or ions on the Limestone and that creates big holes into the rock.
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∙ 11y agoThe limestone will sink to the bottom of the water because it is denser. No chemical reaction will occur unless the water is acidic.
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∙ 8y agoThe solubility of limestone in water is extremely low.
Wiki User
∙ 11y agoA sinkhole will eventually form
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