New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    The gas used for filling weather balloons

    is-
    A helium Correct Answer Incorrect Answer
    B hydrogen Correct Answer Incorrect Answer
    C air Correct Answer Incorrect Answer
    D nitrogen Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    The correct answer is A

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