Salt refers to a kind of compound composed of metal ion or ammonium ion (NH4+) and acid ion (or non-metal ion). In chemical reactions, salts are generally the products of metathesis reactions. There are other reactions that can form salts, such as displacement reactions. Salt and salt react to form new salts, for example, sodium chloride and silver nitrate react to form silver chloride and sodium nitrate. 	Salt	https://materials.alfachemic.com/products/salt-394.html