Electric bulbs are filled with argon gas but not air. Explain. – InterviewSolution

InterviewSolution

1.	Electric bulbs are filled with argon gas but not air. Explain.
Answer» Solution :Argon is uesd in FILLING the ORDINARY electric bulbs because it is inert. Air containing oxygen cannot be USED because it causses OXIDATION of tungsten. Moreover nitrogen and oxygen present in air can REACT at the high voltage to give nitric oxide.

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