Environmentalhard · Past Paper
What is the chemical formula for the ozone-depleting substance commonly known as Freon-12?
ACF4
BCCl2F2
CCH4
DC2H6
✓ Correct Answer: B — CCl2F2
Dichlorodifluoromethane (R-12 or Freon-12) is a CFC with the formula CCl2F2.
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