The process of heating limestone to redness in contact with air is known as
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It is the process of heating the limestone to redness in the presence of atmospheric air. During this process carbon dioxide is driven out and calcium oxide is left as the final product. When lime in paste form is exposed to atmosphere, it gradually hardens.
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Calcination
Explanation:
The heating of a material to redness without in contact with air, is known as burning.
The heating of a material to redness in contact with air, is known as calcination.
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