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uses of calcium oxide

Calcium Oxide

Last Updated on May 3, 2020 By Mrs Shilpi Nagpal 2 Comments

Calcium Oxide Preparation of Calcium Oxide Calcium oxide is called quick lime. It is prepared by heating limestone in a rotatory kiln at 1070-1270 K. CaCO3 ⇔ CaO + CO2       ΔH = 179.9 KJ Since the reaction is reversible, therefore, the carbon dioxide is removed as soon as it is formed to enable the reaction to proceed to completion. The temperature is not … [Read more...] about Calcium Oxide

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