Hydrated lime (chemical name: calcium hydroxide, formula: Ca(OH)2) is a white, dry powder made by adding water to quicklime (calcium oxide, CaO) in a process called slaking.
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Key Properties:
Appearance: Fine white powder
Chemical formula: Ca(OH)2
Alkaline: Strong base with a pH ~12.4 in solution
Slightly soluble in water
Reacts with acids, CO2, and some metals
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Common Applications:
1. Construction:
Used in mortar, plaster, and cement
Helps improve workability and water retention
Stabilizes soil for foundations and roads
2. Water Treatment:
Raises pH to reduce acidity
Removes heavy metals and impurities
Used in flocculation processes
3. Agriculture: