Dry ice is
- ASolid water
- BMountain ice
- CSolid CO2
- DSolid carbon monoxide
Show answer and explanation
Correct answer: (c) Solid CO2
Explanation
Dry ice is solid carbon dioxide. At normal pressure it sublimes at about −78.5 °C, turning straight into gas without melting, so it leaves nothing wet behind.
It is used to keep foods and medicines cold, and to make stage fog.