Limestone and its uses

Limestone and it uses

C1a 1.2 Chemistry

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  • Created on: 19-12-09 19:59
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We quarry large amounts of limestone rock because it has many uses.
Blocks of limestone can be used for buildings, and it is used to make:
Quicklime
Cement
glass
Limestone is made up mainly of calcium carbonate, formula CaCO3 (small 3)
When heated strongly, calcium carbonate decomposes to make quicklime
(calcium oxide, CaO) and Crbon dioxide (CO2)
We can repersent the reaction by the word equation:
Calcium carbonate --> calcium oxide + carbon dioxide
This is done on a large scale in lime kilns.

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