The Products list of Chemical compound or Salt Acetate, Phosphate, Sulphate and Chloride. In chemistry, a salt is an ionic compound that can be formed by the neutralization reaction of an acid and a base. In the solid form, salts have a neutral charge. They become ions when dissolved in water. Certain salts can be distinguished by color. Chemists will frequently use flame tests to observe the colors produced by exciting the electrons with flames. Many salts are commonly found and used in the home.