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Carbon dioxide dissolved in rain water forms a weak acid which slowly weathers limestone, a carbonate which reacts with acids.

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Q: What substance in rainwater makes it so limestone weather easier than sandstone?
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Why does rainwater weather away limestone buildings?

Because rainwater is mildly acidic. Acid in the rainwater dissolves the limestone.


Another statue was made from limestone rain makes limestone weather more quickly than sand stone what substance in the rainwater causes this?

because of acid rain


How can you say that rainwater is chemical weatherings?

Because rainwater dissolves carbon dioxide to produce carbonic acid - a weak acid - but over geological time it can dissolve various types of rock like limestone and thus weather it.


Which specific type of rock would weather the fastest?

Sedimentary rocks would weather the fastest, especially ones like limestone, because it's made mostly from calcium carbonate, which is easily dissolved by the slightly acidic rainwater.


Why does rainwater have an effect on limestone?

Under the category of weather, limestone would be most affected by rain. Rain contains carbonic acid which reacts chemically with the calcium carbonate in limestones. Just try putting a drop of vinegar on a piece of limestone and see what happens. Carbonic acid in rainwater is not nearly this concentrated, though, and the effects take much longer to be noticeable. Tropical climates also produce large amounts of vegetation whose plant roots help break limestone apart, creating more surface area for rainwater to attack. Limestone would be least affected in arid climates, where most erosion is in the form of wind particle abrasion.


Which do you think will weather at a faster rate sandstone or grantie?

sandstone will weather faster because it is softer than granite.


Why do sandstones cemented with calcite usually weather much more rapidly than sandstone cemented by silica?

The cementing mineral calcite is not resistant to chemical dissolution by naturally acidic rainwater as is the cementing silicate mineral.


Why have sandstone and limestone been used as building materials for thousands of years?

Sandstone and limestone have been used as building materials for thousands of years because they stand up well to the weather. They are natural sedimentary rocks that can last for thousands of years especially in dry climates like Egypt.


Does sandstone weather faster than basalt?

yes


How is sandstone affected by the weather?

Because sandstone is a sedimentary rock and is made of calcite, the rain weathers most rapidly.


Can soda weather limestone?

yes


Would high pH water weather limestone?

From what I know, limestone is alkali, and high pH water would not weather alkali things. For the case of limestone, it might even make the limestone bigger (think so).