A) Ammonia
B) Nitrogen
C) None of these
D) Carbon dioxide
🧠 Explanation:
Nitrogen gas has a lower temperature than solid ice, used as a cooling agent. Knowing this helps students and science enthusiasts understand cryogenics. Nitrogen is key for studying chemistry or physics in school. Learning this helps with science projects or exploring cooling systems. It’s useful for science classes, ensuring clarity in academic work or general knowledge about gases.
