Dry ice is the solid form of :

A. Air

B. Carbon dioxide

C. Nitrogen

D. Water

Answer: Option B

Solution(By Examveda Team)

Dry ice, carbon dioxide in its solid form, a dense, snow like substance that sublimes (passes directly into the vapour without melting) at −78.5 °C (−109.3 °F), used as a refrigerant, especially during shipping of perishable products such as meats or ice cream.