sentence: Potassium chloride is heated very hot until it melts.
sentences_before: It is used to make potassium metal.
sentences_after: Sodium metal is reacted with it. The sodium metal melts and boils to make sodium gas. The sodium gas reacts with the potassium chloride to make potassium gas and sodium chloride. It can be electrolyzed in a water solution to make potassium hydroxide. It is used in food processing.
concept_name: potassium chloride
headings: Potassium chloride Uses
categories: Potassium compounds Chlorine compounds