1.

Question : Mark the incorrect statement about chlorofluorocarbons.

Answer»

The balance between the production and degradation of ozone has been affected by CFCs.
CFCs are commonly USED as refrigerants .
CFCs are BROKEN down into Cl atoms by UV rays in the troposphere , from where they travel upwards to the stratosphere and DEGRADE the ozone layer.
Cl atoms act as catalysts in the reaction, therefore they do not get consumed and CONTINUE to AFFECT the ozone level.

Answer :C


Discussion

No Comment Found