Question

Design a device to prevent loss of heat from liquids other than a thermos flask

Answer 1

Thank you for asking this question from us. The device to prevent loss of heat from liquids could be a thermos flask and other than a thermos flask, it could be cryogenic dewar flask. It a specialized type of vacuum flask which consists of two flasks. It allows gas to escape either through the loose-fitting stopper or through the open top. It also prevents the risk of explosion. I hope this answer will be helpful for you.