Answer;
-To provide an overview of the information the graph contains and also give an indication of the data being looked at.
Explanation;
- It is important to title graphs carefully so the information makes sense and the graph is easy to read and understand.
-The general title of a graph should provide an overview of the information it contains and give the readers an indication of the data they will be looking at.
Fe2O3 + CO → Fe + CO2
B.
Fe2O3 + 3CO → 2Fe + 3CO2
C.
2Fe2O3 + 3CO → 2Fe + 3CO2
D.
3Fe2O3 + CO → 3Fe + 2CO2