MEDIUMMCQ SINGLENEET ChemistryInorganic ChemistryEnvironmental ChemistryO3, NO2 acrolein, formaldehyde and PAN
CFCs also knows as:
A.Pyrenes
B.Freons✓ Correct
C.Radons
D.Both (a) and (b)
Explanation
CFCs are also known as freons.
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