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calcium oxide
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    Also found in: Dictionary/thesaurus, Medical, Encyclopedia, Wikipedia 0.01 sec.

calcium oxide

White solid compound, formed by heating calcium carbonate:

CaCO3 → CaO + CO2

When water is added it forms calcium hydroxide (slaked lime) in an exothermic reaction:

CaO + H2O → Ca(OH)2

It is a typical basic oxide, turning litmus blue.
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After the entire quantity of calcium carbide is reacted with water, the lower chamber contains now a wet paste of calcium hydroxide or caustic lime which is emptied in order to be refilled for the next usage.
Calcium Carbide?the Illuminating Chemical Compound by Low Jeremy / Food/cooking/nutrition community
The victim's body was covered with a white substance later analyzed and identified as hydrated or caustic lime, which is used in mortars and cements, as well as for agricultural purposes.
Unidentified homicide victim by Pratt, Harvey / The FBI Law Enforcement Bulletin
There it is treated with 3-4 percent caustic lime in the form of a thick milk.
Making sugar on the homestead by Countryside & Small Stock Journal
 
 
 
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