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
17 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
According to Table 4.2, what is the approximate first ionization enthalpy (ΔiH° I) of Scandium (Sc...
15
Which element listed has the highest atomic number among the 3rd series transition metals shown in t...
9
What is the oxidation state of Mn in potassium permanganate (KMnO₄)?
18
Which Indian city hosted the 2025 Global Climate Summit focused on urban sustainability?
(Current Affairs)
72
Which department launched the DIGIPIN system?
(Current Affairs)
39