Question

Which clue can be used to identify a chemical reaction as a combustion reaction

Answer 1

i think it’s B. a hydrocarbon reacts with oxygen
if i’m correct, a combustion reaction is anything that’ll give a reaction

Answer 2

Answer:

A hydrocarbon reacts with oxygen

Explanation:

The other options are incorrect because:

• oxygen is a reactant

• water and carbon dioxide are products

• the reaction doesn't involve ions

Other characteristics of combustion are the presence of: a flame, heat, ashes and smoke.