A. Chlorine
B. Ammonia
C. Carbon dioxide
D. Methile
🧠 Explanation:
Ammonia is used for refrigeration due to its efficient heat absorption properties. It’s common in industrial cooling systems, like ice rinks. This chemical is a key topic in engineering and chemistry, engaging students and professionals. Understanding ammonia’s role ensures effective refrigeration design, relevant for food storage and climate control. Its use attracts those studying sustainable cooling technologies, highlighting its importance in industries and environmental applications for efficient energy use and preservation.
