Calcium hydroxide is a white powdery solid. The chemical formula Ca (OH) ₂, commonly known as hydrated lime or hydrated lime, andt he aqueous solution is called clear lime water. Calcium hydroxide has alkaline properties and is a strong base. Calcium hydroxide is a binary strong base, but only slightly soluble in water. Calcium hydroxide has a wide range of applications in industry.
Used for making bleaching powder, hard water softener, improving soil acidity, disinfecting and clarifying agents for tap water,and in the construction industry.