Use the words and formulae below to complete the following passage about limestone…
CHEMISTRY · Subjective · GCSE · Chemistry · Using Resources · Using Resources
Problem
Use the words and formulae below to complete the following passage about limestone and its uses.
<b>CaO</b>
<b>building</b>
<b>CaCO3</b>
<b>acids</b>
<b>thermal</b>
<b>CO2</b>
<b>oxide</b>
<b>acidity</b>
<b>quarries</b>
<b>quicklime</b>
<b>calcium</b>
Limestone is a very common rock. The main chemical in limestone is ____ carbonate (chemical formula, ____). Limestone is obtained from ____. The uses of limestone are many and varied. For example, because it is easy to cut into blocks it is useful as a ____ material. Also it will react with ____ and so it is used in the powder form to reduce soil ____. When limestone is heated very strongly, it breaks down into ____ (chemical name, calcium ____) and carbon dioxide (chemical formula, ____). This kind of reaction is known as ____ decomposition.