What type of gas is utilized in refrigerators to chill water?

What type of gas is utilized in refrigerators to chill water?

پانی کو ٹھنڈا کرنے کے لیے فریج میں کس قسم کی گیس استعمال کی جاتی ہے؟
Explanation

The type of gas utilized in refrigerators to chill water is Tetrafluoroethane, also known as R-134a or HFC-134a.