Question

Iron oxide reacts with aluminum to give aluminum oxide and iron, what kind of chemical is this?

A) Combustion

B) decomposition

C) replacement

D) synthesis

Answer 1

C) replacement

Iron(III) oxide (Fe2O3) reacts with aluminium(Al) to form aluminium oxide(Al2O3) and molten iron(Fe). This is a replacement reaction

Answer 2

`{ \tt{c). \: replacement}}`