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Ozone Depletion

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Total cards: 8•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (8)

#1
Front (Question)

Properties of CFC’s

Back (Answer)

Inert, non-toxic, non-flammable

#2
Front (Question)

What products utilised CFC’s when they were still used?

Back (Answer)

Coolants in fridges Solvents in dry cleaning Propellants in aerosols

#3
Front (Question)

What is one function of the ozone layer which protects organisms on earth?

Back (Answer)

It absorbs UV radiation

#4
Front (Question)

Why are CFC’s dangerous to the ozone layer?

Back (Answer)

They go through homolytic fission and form Cl radicals

#5
Front (Question)

What are the 2 equations showing how Cl radicals break down ozone

Back (Answer)

Cl radical + ozone -> ClO radical + oxygen Cl radical + ozone -> 2 oxygen + Cl radical

#6
Front (Question)

Overall equation showing how chlorine radicals break down ozone

Back (Answer)

2 ozone -> 3 oxygen

#7
Front (Question)

What replaced CFC’s?

Back (Answer)

HFC’s

#8
Front (Question)

Pro and con of HFC

Back (Answer)

Pro: Not as damaging to the ozone layer Con: Contributes to global warming