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
Some Basic Concepts of Chemistry
Question #22588
Back to Home
View All Some Basic Concepts of Chemistry Questions
41 Views
Question
What is the correct formula for an oxide of iron with 69.9% iron and 30.1% oxygen by mass?
A. FeO
B. Fe2O3
C. Fe3O4
D. FeO2
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
Which indicator is used to detect the second endpoint in the titration of Na₂CO₃ against HCl?
35
What is the n-factor of MnO₄⁻ in mild basic medium?
34
What is the basic unit of 15.15 pm?
47