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    Question

    Electric bulbs are filled with

    :
    A Nitrogen Correct Answer Incorrect Answer
    B Carbon dioxide Correct Answer Incorrect Answer
    C Argon Correct Answer Incorrect Answer
    D Oxygen Correct Answer Incorrect Answer

    Solution

    Filling a bulb with an inert gas such as argon or nitrogen slows down the evaporation of the tungsten filament compared to operating it in a vacuum.

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