Everyday Science
NULL
Medium
Question
The gas used in a refrigerator to cool water is ___________?
A
Nitrogen
B
Carbon dioxide
C
Methane
D
Tetrafluoroethane
✓ Official correct answer
Community credibility
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A
Nitrogen
No member explanations yet for this option.
B
Carbon dioxide
No member explanations yet for this option.
C
Methane
No member explanations yet for this option.
D
Tetrafluoroethane
No member explanations yet for this option.
Explanation
According to the keyed exam answer, the refrigerant is tetrafluoroethane.
Editor note: many refrigerants exist; options left unchanged.
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