Answer: B. combustion
Explanation: [tex]2Al+3O_2\rightarrow 2Al_2O_3[/tex]
A. Single replacement: A single replacement reaction is one in which a more reactive element displaces a less reactive element from its salt solution.
B. Combustion: is a chemical reaction between a substance and an oxidant usually atmospheric oxygen accompanied by generation of heat and light.
C. Double replacement: A double replacement reaction is one in which exchange of ions take place.
D. Decomposition : is a reaction in which one reactant decomposes to give two or more than two products.
