Freon (dichlorodifluoro methane) is used .

Options

A. As local anaesthetic
B. For dissolving impurities in metallurgical process .
C. In refrigerator
D. In printing industry

Answer

C

Explanation

Feron `(C CI_(2)F_(2))` is an odourless non- corrosive nontoxic gas which is stable even at high temperatures and pressures It has low b pt low specific heat and can be easily liquefied by applying pressure at room temperature It is therefore widely used in refrigerant (cooling agent) in frigerators and air conditioners .