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 #40141
Back to Home
View All d and f BLOCK ELEMENTS Questions
9 Views
Question
What is the usual oxidation state of Copper (Cu) in Copper(I) oxide (Cu2O)?
A. 0
B. +1
C. +2
D. +3
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
Based on the information, what is the effect of lanthanoid contraction on the separation of second a...
6
What did Mendeleev use to determine the similarities among elements besides their atomic weights?
4
What is the name given to the steady decrease in atomic/ionic radii across the actinoid series?
4
Moringa leaves are known to increase milk production when used as fodder. By how much?
(Current Affairs)
175
Which organization did Sharad Pawar praise for providing education to children from conflict-affecte...
(Current Affairs)
3