Which of the following substances is/are ozone depleting ? Select the correct answer from the codes given below: 1. Chlorofluoro Carbons 2. Halans 3. Carbon tetrachloride Codes:

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Q: 58 (UPPSC/2012)

Which of the following substances is/are ozone depleting ?
Select the correct answer from the codes given below:
1. Chlorofluoro Carbons
2. Halans
3. Carbon tetrachloride Codes:

question_subject: 

Ecology

question_exam: 

UPPSC

stats: 

0,63,39,29,9,1,63

keywords: 

{'carbon tetrachloride codes': [0, 0, 0, 1], 'chlorofluoro carbons': [0, 0, 0, 1], 'ozone': [3, 0, 3, 5], 'substances': [0, 0, 1, 1]}