Iron oxide reacts with aluminum to give aluminum oxide and iron. What kind of chemical reaction is this? A. combustion B. decomposition C. replacement D. synthesis

Question

Iron oxide reacts with aluminum to give aluminum oxide and iron. What kind of chemical reaction is this?

A. 

combustion

B. 

decomposition

C. 

replacement

D. 

synthesis

Answer 1

It's a replacement:

FeO + Al → Al2O3 + Fe

balance:

3FeO + 2Al → Al2O3 + 3Fe