Class 10 Chemistry Online Tests
Composition of Atmosphere MCQ (Multiple Choice Questions) PDF Download
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Composition of Atmosphere MCQs: Questions and Answers PDF Download
Percentage of hydrogen in the air is
- 0.99
- 0.8
- 0.5
- 0.25
What is the term used for the envelope of gases and water vapor surrounding the planet earth?
- air
- atmosphere
- environment
- biome
Percentage of helium in the air is
- 0.000624
- 0.000524
- 0.000724
- 0.000824
Approximately, what percentage of water vapor is contained by the air in the tropical rain forest?
- 0.01
- 0.02
- 0.03
- 0.04
Percentage of methane in the air is
- 0
- 0
- 0
- 0
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