Q. The common gas used in refrigerator is:

A
Marsh gas
B
Marsh gas
C
Freon
D
Producer gas
Solution:

Modern refrigerators usually use a refrigerant called HFC-134a (1,1,1,2-Tetrafluoroethane), which does not deplete the ozone layer, instead of Freon. A R-134a is now becoming very uncommon in Europe.

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