Chemistry
Grade-9
Easy
Question
Noble Gases are found in ____________.
- underwater.
- earth's crust.
- the atmosphere.
- in plants.
Hint:
All the noble gases occur in earth's atmosphere.
The correct answer is: the atmosphere.
- Helium is found in abundance in all the stars.
- Neon is a rare gas that is found in the Earth's atmosphere.
- Argon is found in the atmosphere in occluded rocks.
- Krypton, xenon are found in trace amount in the atmosphere.
- All the noble gases occur in earth's atmosphere.
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