squeakygirl373 squeakygirl373

27-12-2023
Chemistry

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Why are some hydrofluorooletin (HFO) refrigerants classified as "A2L"?

a. They are no different than HFCs.

b. They are less flammable than hydrocarbon refrigerants, but most are still mildly flammable.

c. They are prohibited for use in the U.S.

d. They have ozone depleting potentials, and have low global warming potentials.

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