Question

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 1

Answer:

nitrogen

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.

Answer 2

Answer:

I think right answer is d

Explanation:

Hope this helps you