Freon (dichlorodifluoro methane) is used .

Options

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

Answer

C

Explanation

Freon `(C Cl_(2) F_(2))` is an odourless, non-corrosive, non toxic gas which is stable even at high temperature and pressure. It has low b.p. low specific heat and can be easily liquified by appliying pressure at room temperature. It is therefore, widely used as refrigerant (cooling agent) in refrigerators and air conditioners.