Which gas is used for filling electric bulbs?

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SSC JE EE Previous Year Paper 8 (Held On: 27 Jan 2018 Morning)
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  1. Neon
  2. Chlorine
  3. Halogen
  4. Argon

Answer (Detailed Solution Below)

Option 4 : Argon
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Electric bulbs are filled with Argon. Argon is an inert gas. Inert gases have low reactivity. When electricity flows into the bulb, argon heats the tungsten wire filament. The filament on getting heated to a high temperature emits white light.
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