NEET
- Exam
- NEET
- Subject
- Chemistry
- Chapter
- p Block Elements (Group 15, 16, 17 & 18)
NEET · Chemistry · p Block Elements (Group 15, 16, 17 & 18)
What is the approximate percentage of oxygen in dry air by volume?
What is the approximate percentage of oxygen in dry air by volume?
Options
- A0.03-0.1%
- B20.946%
- C46.6%
- D7%
Correct answer
B. 20.946%
Step-by-step solution
The paragraph mentions that dry air contains approximately 20.946% oxygen by volume.