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Chemistry
Which one of the following is used as refrigerant for ice-cream and frozen foods?
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Q. Which one of the following is used as refrigerant for ice-cream and frozen foods?
AP EAMCET
AP EAMCET 2019
A
Dry $CO$
B
Liquid $CH _{4}$
C
Dry ice
D
Liquid $H _{2}$
Solution:
The most common use of dry ice is to preserve food, using non-cyclic refrigeration. It is frequently used to pack items that must remain cold or frozen such as ice-cream or biological samples, without use of mechanical cooling.