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4. Which of the following gas is use to fill 1 point the electric bulb? O a. H2 O b. N2 O c.02 Od.NH3 |
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Answer» Answer: Explanation: The correct answer is Nitrogen. Bulbs are filled with chemically inactive gases like Nitrogen or Argon to prevent the OXIDATION of tungsten FILAMENT USED in the bulb. |
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