2012Environment
Which of the following substances is/are ozone-depleting?
Select the correct answer from the codes given below:
1. Chlorofluoro Carbons
2. Halons
3. Carbon tetrachloride
UPPCS previous year question
Paper question with options and verified answer
Which of the following substances is/are ozone-depleting?
Select the correct answer from the codes given below:
1. Chlorofluoro Carbons
2. Halons
3. Carbon tetrachloride