Dry ice is

A. Solid ammonia

B. Solid sulphur dioxide

C. Dry carbon dioxide gas

D. Solid carbon dioxide

Answer: Option D

Solution(By Examveda Team)

Dry ice is the solid form of carbon dioxide. It is used primarily as a cooling agent. Its advantages include lower temperature than that of water ice and not leaving any residue. It is useful for preserving frozen foods where mechanical cooling is unavailable.