UPSC CDS II 2025 GK Paper
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Question : 94 of 120
Marks:
+1,
-0
Arrange the following permanent gases present in the atmosphere in ascending order:
1. Helium
2. Hydrogen
3. Neon
4. Xenon
Select the answer using the code given below:
1. Helium
2. Hydrogen
3. Neon
4. Xenon
Select the answer using the code given below:
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