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    4. General science Common
    5. Which of the following is the ratio of Oxygen to Nitrogen in the air?

    Question

    Which of the following is the ratio of Oxygen to

    Nitrogen in the air?
    A 1 : 4 Correct Answer Incorrect Answer
    B 2 : 3 Correct Answer Incorrect Answer
    C 3 : 2 Correct Answer Incorrect Answer
    D 4 : 1 Correct Answer Incorrect Answer

    Solution

    The correct answer is A

    Practice Next
      More General science Common Questions
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