(A) Ammonia ()
(B) Nitrogen (X)
(C) Carbon dioxide (X)
(D) Methane (X)
Answers: The gas used in a refrigerator to cool water is Ammonia.
(A) Ammonia ()
(B) Nitrogen (X)
(C) Carbon dioxide (X)
(D) Methane (X)
Answers: The gas used in a refrigerator to cool water is Ammonia.
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