Esco 608 EPA Flashcards Exam Questions
with correct Answers 2025/2026 A+
Graded 100% Verified.
What is Ozone - ANS- the protective shield over Earth
How much ozone can a chlorine atom destroy in the stratosphere? - ANS- 100,000 ozone
molecules
What is a CFC? - ANS- chlorofluorocarbon
Which refrigerants are CFC? - ANS- R-12
R-11
R-113
R-114
Which chemical in the CFC refrigerants does the most damage to the ozone layer? -
ANS- Chlorine
What is Ozone Depletion Potential (ODP)? - ANS- The ability of any chemical to deplete
the ozone layer.
What is a HCFC? - ANS- Hydrochlorofluorocarbon
Which is more harmful to the ozone layer a CFC or an HCFC? - ANS- CFC
Which refrigerants are HCFCs? - ANS- R-22
R-123
R-124
What is it about CFCs that make them more harmful in the stratosphere? - ANS- They do
not break in water and can't be washed out of the lower atmosphere
What is an HFC? - ANS- Hydrofluorocarbon
Which refrigerants are HFCs? - ANS- R-134a
R-410a
with correct Answers 2025/2026 A+
Graded 100% Verified.
What is Ozone - ANS- the protective shield over Earth
How much ozone can a chlorine atom destroy in the stratosphere? - ANS- 100,000 ozone
molecules
What is a CFC? - ANS- chlorofluorocarbon
Which refrigerants are CFC? - ANS- R-12
R-11
R-113
R-114
Which chemical in the CFC refrigerants does the most damage to the ozone layer? -
ANS- Chlorine
What is Ozone Depletion Potential (ODP)? - ANS- The ability of any chemical to deplete
the ozone layer.
What is a HCFC? - ANS- Hydrochlorofluorocarbon
Which is more harmful to the ozone layer a CFC or an HCFC? - ANS- CFC
Which refrigerants are HCFCs? - ANS- R-22
R-123
R-124
What is it about CFCs that make them more harmful in the stratosphere? - ANS- They do
not break in water and can't be washed out of the lower atmosphere
What is an HFC? - ANS- Hydrofluorocarbon
Which refrigerants are HFCs? - ANS- R-134a
R-410a