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Which of the following chemicals are responsible for the depletion of the stratospheric ozone layer?

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in Environmental Engineering by (81.4k points)
Which of the following chemicals are responsible for the depletion of the stratospheric ozone layer?

(a) Refrigerants

(b) Propellants

(c) Foam-blowing agents

(d) All of the mentioned

I have been asked this question in an online interview.

The query is from Ozone Depletion topic in portion Atmosphere & Greenhouse Gases of Environmental Engineering

1 Answer

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Correct option is (d) All of the mentioned

The explanation: Refrigerants containing halocarbons, foam-blowing agents such as HFCs, halons, CFCs and freons as well as propellants containing halogenated compounds are responsible for depleting the ozone layer.

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