UPSC General Studies Sample Paper General Studies Sample Paper-10

  • question_answer
    Which of the following gases produce greenhouse effect?
    1. Sulphur hexafluoride  
    2. Carbon tetrachloride
    3. Hexa fluoroethane     
    4. Nitrous oxide
    5. Nitrogen trifluoride      
    6. Water vapour      
    7. Ozone
    Select the correct answer using the codes given below.

    A)  2, 3, 4 and 5                

    B)  1, 2, 4, 6 and 7   

    C)    3, 5, 6 and 7                

    D)  All of these

    Correct Answer: D

    Solution :

    [d] The Greenhouse Gases (GHQ) are the gases which contribute in raising the temperature of atmosphere. The primary GHGs are water vapour, carbon dioxide methane, nitrous oxide and ozone. The other major greenhouse   gases   are CFC-   12,   HCFC-12, tetrafluoromethane, hexafluroethane, Sulphur hexafluoride. Nitrogen trifluoride, carbon tetrachloride etc.

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