The cooling in the refrigerator is due to?
The expansion of the gas in the refrigerator
The explanation for the correct option:
Option(C): The expansion of the gas in the refrigerator
The explanation for the incorrect option:
Option(A): Reaction of the refrigerator gas
Option(B): Expansion of ice
Option(D): The work of the compressor
Hence, the cooling in the refrigerator is due to the expansion of the gas in the refrigerator, option (C) is the correct answer.