CHEMISTRY
JAMB 2002 - Question 14
Chemistry 2002 JAMB Past Questions - Question 14: CU2S(s) + O2(g) → 2CU(s) + SO2(g) What is the change in the oxidation number of copper in the reaction above?
Use the diagram to answer question that follows

What is the change in the oxidation number of copper in the reaction above?
A:
B:
C:
D:
Correct Answer
A

