Content protected from screenshots
GKFix.in
Current Affairs
General Knowledge
Categories
Concept Builder Quiz
About Us
Start Quiz
GKFix.in
Home
Current Affairs
General Knowledge
Categories
Concept Builder Quiz
Start Quiz
GKFix MCQ Question
Test your knowledge and learn something new
Home
Some Basic Concepts of Chemistry
Question #22518
Back to Home
View All Some Basic Concepts of Chemistry Questions
16 Views
Question
What is the empirical formula of an oxide of iron with 69.9% iron and 30.1% oxygen by mass?
A. FeO
B. Fe₂O₃
C. FeO₂
D. Fe₃O₄
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
How many moles of carbon atoms are present in three moles of ethane (C2H6)?
20
What is the main purpose of adding excess KI in iodometric titrations?
17
Which substance was used along with red lead and minimum to make ink in ancient India?
23
What is the name of the dam in Pakistan's Punjab province where water levels have dropped significan...
(Current Affairs)
368
Which state’s electoral roll revision process received additional oversight through the appointmen...
(Current Affairs)
13