is sweating a chemical change?why? Share with your friends Share 0 Geetha answered this Sweating is an evaporation of water to reduce the heat of the body. No new chemicals are formed. So its a physical change. 1 View Full Answer Kartik Chauhan answered this no sweating is not a chemical change it only the relasing of water from the body to keep the body cool because when the sweat evaporate our body feel cool 2