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Questions and Answers
Which gas is the most abundant in dry air by volume?
Which gas is the most abundant in dry air by volume?
- Carbon dioxide
- Oxygen
- Nitrogen (correct)
- Hydrogen
Which gas is commonly used to determine the percentage of oxygen in air through experiments involving reactions with metals and non-metals?
Which gas is commonly used to determine the percentage of oxygen in air through experiments involving reactions with metals and non-metals?
- Nitrogen
- Carbon dioxide
- Oxygen (correct)
- Hydrogen
Which gas is a greenhouse gas that may contribute to climate change when its amount in the atmosphere increases?
Which gas is a greenhouse gas that may contribute to climate change when its amount in the atmosphere increases?
- Hydrogen
- Oxygen
- Nitrogen
- Carbon dioxide (correct)
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