Which of the following does not contain halogens that can deplete the Ozone layer?a.Propellantsb.Fluropolymersc.Refrigerantsd.Foam blowing agents
Question
Which of the following does not contain halogens that can deplete the Ozone layer?
- a. Propellants
- b. Fluropolymers
- c. Refrigerants
- d. Foam blowing agents
Solution
The answer is b. Fluropolymers.
Fluropolymers are a type of polymer that contains fluorine atoms in the polymer chain, but they do not release these atoms into the atmosphere under normal conditions. Therefore, they do not contribute to ozone depletion.
On the other hand, propellants, refrigerants, and foam blowing agents have historically contained chlorofluorocarbons (CFCs) or hydrochlorofluorocarbons (HCFCs), both of which are types of halogens. When these substances are released into the atmosphere, they can contribute to the depletion of the ozone layer.
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