sentence: Calcium chloride is melted at a high temperature and electrolyzed to produce calcium metal.
sentences_before: Calcium chloride' is a chemical compound made of calcium and chlorine atoms. It has the formula CaCl2. It absorbs water from the air and releases heat when it is dissolved in water. It is used as a de-icer on roads to melt the ice.
concept_name: calcium chloride
headings: Calcium chloride
categories: Chlorine compounds Calcium compounds