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General Knowledge · Q117

Environmental Science

Competitive Exams · General Knowledge · question 117

Q117

The pollutant that causes hole in the ozone layer is

A.
SF6
B.
nitrousoxide
C.
CFCs
Answer
D.
PFCs

Answer: Option C

Solution

Answer: Option C
Solution:
Chlorofluorocarbons (CFCs) and other halogenated ozone depleting substances (ODS) are mainly responsible for man-made chemical ozone depletion. The total amount of effective halogens (chlorine and bromine) in the stratosphere can be calculated and are known as the equivalent effective stratospheric chlorine (EESC).