Calcium carbonate (\text{CaCO}_3) is a common chemical compound found naturally in rocks, sea shells, and the skeletons of marine organisms. It is the active ingredient in agricultural lime and common medical antacids.Application
Function
Construction
Key raw material in cement, concrete, and building stone.
Agriculture
Applied as agricultural lime to neutralize acidic soils.
Medicine
Used as an antacid (e.g., Tums) and calcium dietary supplement.
Manufacturing
Used as a filler in paper, plastics, paints, and toothpastes.