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

Freon `("CCl"_2F_2)` is an odourless, non-corrosive, non toxic gas which is stable even at high temperatures and pressures. It has low b.p. low specific heat and can be easily liquefied by applying pressure at room temperature. It is therefore, widely used as refrigerant (cooling agent) in refrigerators and air conditioners.