Test Index

JAMB Chemistry 2017 Paper

© africaexams.com

Question : 29

Total: 49

Cu2S(g) + O2(g) → 2Cu + SO2(g)
What is the change in the oxidation number of copper in the reaction?

0 to + 2
0 to + 1
+ 1 to 0
+ 2 to + 1

Go to Question:

Prev Question

Next Question