NDA2025General AbilityGeneral ScienceActual
Which one of the following is also known as Dry ice in its solid form?
Options
- ASiO₂
- BCO₂
- CCaO
- DMgO
Correct answer
B. CO₂
Step-by-step solution
Solid carbon dioxide ( CO₂ ) is commonly known as dry ice. It is called dry ice because it sublimes directly from a solid state to a gaseous state without passing through a liquid phase under normal atmospheric pressure. Answer: CO₂