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    Question

    Which gas is primarily used in the filling of

    incandescent light bulbs?
    A Helium Correct Answer Incorrect Answer
    B Argon Correct Answer Incorrect Answer
    C Radon Correct Answer Incorrect Answer
    D Oganesson Correct Answer Incorrect Answer

    Solution

    Argon is often used in incandescent light bulbs to extend the life of the tungsten filaments, as it prevents rapid deterioration from occurring.

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