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Q. |
Super cooling stands for cooling of a liquid – |
A. | at freezing point |
B. | below freezing point |
C. | at melting point |
D. | above melting point |
Answer» B. below freezing point | |
Explanation: Supercooling, also known as undercooling, is the process of lowering the temperature of a liquid or a gas below its freezing point without it becoming a solid. A good example of this phenomenon is clouds in high altitude that are an accumulation of supercooled droplets of water below their freezing point. Refrigeration is a popular commercial application of supercooling. |
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