Question

Mention important uses of orthophosphoric acid.

Answer 1

Important uses of orthophosphoric acid are:

1. It is used in the manufacture of fertilizers like superphosphates.
2. It acts as an acidulant in soft drinks to provide tangy flavour.
3. It is used in rust removal and metal cleaning due to its acidic nature.
4. It is used in the preparation of detergents and other cleaning agents.
5. It serves as a buffering agent in pharmaceuticals and cosmetics.
6. It is used in laboratories as a reagent and for pH control.
7. It acts as a food additive to regulate acidity.