2. Sample Papers
  3. 10th Class
  4. General Knowledge

10th Class General Knowledge Sample Paper General Knowledge Olympiad Model Test Paper-10

  • question_answer
    The pollutant responsible for ozone holes is :

    A)  \[C{{O}_{2}}\]           

    B)  \[S{{O}_{2}}\]

    C)  \[CO\]                         

    D)  \[CFC\]

    E)  None of these

    Correct Answer: D

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