Uses of Sodium Sodium is used to descale metals. Sodium metal is also used to refine metals (such as zirconium and potassium) from their compounds. Molten (liquid) sodium is used as a coolant in many nuclear reactors. Sodium is added to fatty acids to make sodium salts.
Sodium chloride or salt, is added to food and used to de-ice roads in winter. It is also used as a feedstock for the chemical industry. Sodium carbonate (washing soda) is also a useful sodium salt.
