‘FREONS’ are fluorocarbons, with 1–4 carbon atoms, fluorine and sometimes chlorine, bromine or hydrogen, which are widely used as propellants (for example, with pressurized aerosols of foods or ...
On 28 June 1974, chemists at the University of California published the first report that warned that CFCs could damage the Earth’s ozone layer 1 July 1974 Freons, the compounds of chlorine and ...
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