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Q.Which of the following substances is/are ozone depleting?
1. Chlorofluorocarbons
2. Halons
3. Carbon tetrachloride
  • a)
    1 only
  • b)
    1 and 2 only
  • c)
    2 and 3 only
  • d)
    1, 2 and 3
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
Q.Which of the following substances is/are ozone depleting?1. Chlorofl...
All the three substances are responsible for ozone layer depletion in different ways. Which are: CFC—mostly used in refrigeration, air conditioning and heat pump systems. Halons—used historically as fire suppression agents and fire fighting, but now only allowed in very limited situations. Carbon tetrachloride (tetrachloromethane)—limited solvent used in laboratories and chemical and pharmaceutical industries.
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Q.Which of the following substances is/are ozone depleting?1. Chlorofluorocarbons2. Halons3. Carbon tetrachloridea)1 onlyb)1 and 2 onlyc)2 and 3 onlyd)1, 2 and 3Correct answer is option 'D'. Can you explain this answer?
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Solutions for Q.Which of the following substances is/are ozone depleting?1. Chlorofluorocarbons2. Halons3. Carbon tetrachloridea)1 onlyb)1 and 2 onlyc)2 and 3 onlyd)1, 2 and 3Correct answer is option 'D'. Can you explain this answer? in English & in Hindi are available as part of our courses for UPSC. Download more important topics, notes, lectures and mock test series for UPSC Exam by signing up for free.
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