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slaking of lime

Calcium Hydroxide

Last Updated on February 16, 2023 By Mrs Shilpi Nagpal

Preparation of Calcium Hydroxide From quick lime Calcium hydroxide is prepared on a commercial scale by adding water to quicklime. This process is called slaking of lime. CaO + H2O ----> Ca(OH)2 From calcium chloride It is also obtained by treating calcium chloride with caustic soda. Properties of Calcium Hydroxide 1) It is a white amorphous powder … [Read more...] about Calcium Hydroxide

Calcium Oxide

Last Updated on February 16, 2023 By Mrs Shilpi Nagpal

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 allowed to … [Read more...] about Calcium Oxide

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