The natural rock whose main ingredient is calcium carbonate, calcined at an appropriate temperature to exclude the decomposed carbon dioxide, the resulting product with calcium oxide (CaO) as the main ingredient is lime, also known as quicklime.

The main ingredient is calcium oxide (CaO)

Alias: Lime, calcium oxide

Identification: Limestone: Calcium Carbonate CaCO3

Slaked lime, slaked lime: Calcium Hydroxide Ca(OH)2

The main ingredient of limewater is calcium carbonate CaCO3, while the main ingredient of lime is CaO.

The reaction of lime with water produces calcium hydroxide. Lime reacts with water to form calcium hydroxide Ca(OH)2, which is commonly known as slaked lime.

Equation CaO+H2O=Ca(OH)2

Adopted Oh pro~