Phosphoric acid is widely used in the food and beverage industry as an acidulant, providing a tangy flavor in soft drinks like colas. It also acts as a preservative, extending the shelf life of products by controlling pH levels. In agriculture, it is a key component in fertilizers, supplying essential phosphorus to promote plant growth. The chemical is utilized in water treatment to remove rust and scale, ensuring clean and safe water systems. In the dental field, it is employed as an etching agent to prepare tooth surfaces for bonding materials. Additionally, phosphoric acid plays a role in metal surface treatment, where it cleans and coats metals to prevent corrosion. Its versatility makes it a valuable chemical across various industries.