Chlorofluorocarbons (CFCs) are also known as ________.

Freon refers to a group of fluorinated aliphatic organic compounds commonly used as refrigerants in air conditioners, refrigerators, and aerosol sprays. These compounds typically contain carbon (C) and fluorine (F), and may also include hydrogen (H), chlorine (Cl), or bromine (Br). Freon is a trade name, most notably used by DuPont, for chemicals that are classified as CFCs (chlorofluorocarbons), HCFCs (hydrochlorofluorocarbons), or HFCs (hydrofluorocarbons).