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. The gas used in a refrigerator to cool water is :
(a) Nitrogen
(b) Carbon dioxide
(c) Methane
(d) Ammonia
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Answer Posted / mohib sec
Actually Freon is used in Refrigerator but now there use Tetrafluoroethane in refrigerator which dose not deplete the ozone layer. But in your options it may be ammonium gas
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