Definition of calcium oxide in English:
A white caustic alkaline solid, commonly produced in the form of quicklime.
- Chemical formula: CaO
- The dissociation of calcium carbonate to calcium oxide and carbon dioxide at 25°C and atmospheric pressure provides an example; raising the temperature or lowering the pressure drives the reaction in the forward direction.
- By melting silica mixed with sodium hydroxide or calcium oxide one is able to interrupt the long chains of silicon-oxygen bonds to form more easily melted glasses.
- Calcium carbide, made by reacting calcium oxide with carbon in the form of coke, is the starting material for the production of acetylene.
Definition of calcium oxide in:
- British & World English dictionary
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