1 .	'Freon' used as refrigerants is chemically known as
[ A ]    chlorinated hydrocarbon [ B ]    fluorinated hydrocarbon [ C ]    chlorofluoro hydrocarbon [ D ]    fluorinated aromatic compound
Answer : Option C Explanation : Chlorofluoro carbon (CF 2 Cl 2 ) is also known as freon. It is used as refrigerants in refrigerators and air conditions. It is also used as propellant in aerosols and foams
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