Answer true or false.
(a) The Freons are members of a class of organic compounds called chlorofluorocarbons (CFCs).
(b) An advantage of Freons as heat-transfer agents in refrigeration systems, propellants in aerosol sprays, and solvents for industrial cleaning is that they are nontoxic, nonflammable, odorless, and noncorrosive.
(c) Freons in the stratosphere interact with ultraviolet radiation and thereby set up chemical reactions that lead to the destruction of the stratospheric ozone layer.
(d) Alternative names for the important laboratory and industrial solvent CH2Cl2 are dichloromethane, methylene chloride, and chloroform.
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