Question

Which one is correct?

• A. Freon -14 is $CF_{4,}$Freon-13 is $CF_{3}Cl,$ Freon -12 is $CF_{2}Cl_{2}$and Freon-11 is $CFCl_{3}$
• B. Freons are chlorofluorocarbons
• C. Freons are used as refrigerants.
• D. All the above

Answer 1

Answer: (D)

All the above

Answer 2

All the given points about freons are correct.