Question : The inert gas used as beacon light is
Option 1: krypton
Option 2: Argon
Option 3: Helium
Option 4: Neon
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Correct Answer: Neon
Solution : The correct answer is Neon.
Neon is placed in the Group 18 of the periodic table. When electricity is passed through it, it produces a bright red and orange light and because of this feature, it is used as beacon lights, incandescent bulbs, fluorescent tubes etc. It is an inert gas because it does not react with the filament of the bulbs making it long-lasting.
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Question : Which of the following is not a noble gas?
Option 1: Hydrogen
Option 2: Helium
Option 3: Neon
Option 4: Argon
Question : The gas used to extinguish fire is
Option 1: Neon
Option 2: Nitrogen
Option 3: Carbon dioxide
Option 4: Carbon monoxide
Question : White light is an example of:
Option 1: LASER light
Option 2: Plane polarised light
Option 3: Monochromatic light
Option 4: Polychromatic light
Question : Which one of the following elements is an example of noble gas?
Option 1: Nitrogen
Option 2: Hydrogen
Option 3: Chlorine
Option 4: Helium
Question : Directions: In the following question, arrange the following words as per their order in the dictionary. 1. Smoulder 2. Smother 3. Smuggle 4. Smudge
Option 1: 1, 2, 3, 4
Option 2: 1, 4, 3, 2
Option 3: 4, 3, 2, 1
Option 4: 2, 1, 4, 3
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