Question

Q. Which of the following statement(s) is/are correct regarding Ozone Depleting Substances.?

Select the correct answer using the code given below.

• A.
  1 and 2 only
• B.
  2 and 3 only
• C.
  1 and 3 only
• D.
  1, 2 and 3

Answer 1

The correct option is D

1, 2 and 3
Explanation:

Statement 1 is correct: fluorinated gases such as chloro fluoro carbon are well known ods

Statement 2 is correct: main sources are gases used in refrigeration, air conditioning , heat pump systems, solvent use in laboratories, dry cleaning agents, etc.

Statement 3 is correct: ODS can be removed through use of photo-decomposition