Uses of Salts by keypoint They are used in the production of gases like oxygen. They are used in the production of fertilizers. They are used as preservatives. They can also be used as drying agents. Most of them are used as electrolytes. Others are Viewing: Uses of Bases Types of Salts Properties Of Salts Definition of an Acid Methods of Preparing Acids Meaning of Deliquescent Substances Meaning of Hygroscopic Substances