slaked lime
Noun: A white, powdery, alkaline substance (calcium hydroxide, Ca(OH)₂) produced by adding water to quicklime (calcium oxide). It is a caustic material with many industrial and construction applications.
"Slaked lime" is used as a mass noun. It refers to the chemical compound itself, not an action. It is commonly used in technical, industrial, and construction contexts. - It is a key ingredient in traditional mortar, plaster, and whitewash. - It is used in water treatment and various chemical processes.
- The mason mixed slaked lime with sand to make mortar for the brick wall.
- Slaked lime is used to adjust the pH level in water treatment plants.
- The chemical formula for slaked lime is Ca(OH)₂.
- "To slake lime": This is the verb phrase for the process of adding water to quicklime to produce slaked lime. The act of combining water and quicklime is highly exothermic.
- The workers carefully slaked the lime in a pit, a process that generates significant heat.
- Calcium hydroxide: The systematic chemical name for slaked lime.
- Hydrated lime: Another common name for the same substance.
- Limewater: A dilute, saturated solution of slaked lime in water.
- Quicklime (Calcium oxide, CaO): The material (produced by heating limestone) that is mixed with water to create slaked lime.
- Lime (context-dependent): In general usage, "lime" can refer to the citrus fruit, the mineral (calcium-containing materials like limestone), or processed materials like quicklime and slaked lime. The specific meaning depends on context.
- Hydrated lime (technical)
- Calcium hydroxide (scientific)
- Pickling lime (in food processing contexts)
- Builders' lime (in construction contexts)
While "slaked lime" is a specific chemical compound, the word "lime" alone is ambiguous. In industrial or construction settings, "lime" often refers to slaked lime, but it can also mean quicklime. The term "slaked" specifies that water has been added.
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a caustic substance produced by heating limestone
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