Freon, particularly CFC-12, was historically the most widely used refrigerant in domestic refrigerators. However, due to environmental concerns (ozone layer depletion), modern refrigerators now use HFCs like R-134a or isobutane (R-600a) which are more eco-friendly.
Which of the following gases is commonly used as a refrigerant in domestic refrigerators for cooling?
Review the verified answer and explanation for this ASF Airports Security Force past-paper question on CampusFin.
Question context
This question is part of 🔬 General Science within the broader 🌐 Current Affairs & GK subject and appears in the ASF Airports Security Force preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.