Content protected from screenshots
GKFix.in
General Knowledge
Categories
Concept Builder Quiz
About Us
Start Quiz
Home
My Profile
General Knowledge
Categories
Concept Builder
Start Quiz
Logout
GKFix MCQ Question
Test your knowledge and learn something new
Home
Chemistry
Question #5157
Back to Home
View All Chemistry Questions
78 Views
Question
What is the percentage of oxygen in the atmosphere?
A. 78%
B. 1%
C. 0.03%
D. 21%
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
The process of dissolving an acid or base in water is
69
What is the pH value of lemon juice?
112
Which alloy is used in making aircraft parts?
91