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
d and f BLOCK ELEMENTS
Question #38985
Back to Home
View All d and f BLOCK ELEMENTS Questions
12 Views
Question
What is the oxidation state of Iron in Fe3O4?
A. +2
B. +3
C. +2 and +3
D. +4
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
Why is the d1 electron configuration considered very unstable in ions?
9
Which method is described for the commercial preparation of potassium permanganate?
8
Which ion listed in Table 4.7 has a calculated spin-only magnetic moment of 5.92 BM?
8
How many counterfeit cigarette sticks were seized by Delhi Police in the raid conducted in Nilothi E...
(Current Affairs)
6
According to the Canadian Finance Ministry’s 2025 report, how are Khalistani extremist groups repo...
(Current Affairs)
10