Q481
Dry Ice sublimes at which temperature?
A.
78°C
B.
68°C
C.
-68°C
D.
-78°C
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
Dry ice is a solid form of carbon dioxide. It is commonly used for temporary refrigeration as carbon dioxide does not have a liquid state at atmospheric pressure and sublimates directly from the solid-state to the gas state. It is primarily used as a cooling agent.Dry ice sublimes at -78°C (194.7 K) at the earth's atmospheric pressure.