Question

Solid carbon dioxide is used for the refrigeration of food. Justify this statement​

Answer 1

Dry ice is the solid form of carbon dioxide. It isused primarily as a cooling agent. Its advantages include lower temperature than that of water ice and not leaving any residue (other than incidental frost from moisture in the atmosphere).

Answer 2

Solid Carbon dioxide is called dry ice because it resembles ice, but carbon dioxidedoes not exist in liquid form, it sublimes straight from a solid to a gas. Hence "Dry Ice". It sublimes at –78°C becoming an extremely cold gas. It is often used in theatres or nightclubs to produce clouds, it looks a bit like smoke