Question

Air contains highest percentage of oxygen.

• A. True
• B. False

Answer 1

The correct option is B False

1. The Earth's atmosphere contains various gases like nitrogen, oxygen, carbon dioxide, argon, ozone, etc.
2. Among all these gases nitrogen is present in a high percentage i.e. about 78%.
3. Oxygen is the second most abundant gas constituting about 21%.
4. Other gases like argon is about 0.93% and carbon dioxide constitutes 0.04% in the atmosphere.

Final answer: The given statement is false.