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
Science
Question #7944
Back to Home
View All Science Questions
48 Views
Question
What is the percentage of nitrogen in air?
A. 21%
B. 78%
C. 1%
D. 10%
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
Water is a good solvent of ionic salts because
53
The heat death of the universe implies:
64
Which chemical compound is commonly used as a disinfectant for drinking water?
42