There are only TWO things that ALL combustion reactions have in common...

The video explains combustion reactions, highlighting that they always involve oxygen and a hydrocarbon as reactants. Complete combustion produces carbon dioxide and water, while incomplete combustion results in carbon monoxide and water. The video also provides examples and methods to identify combustion reactions based on reactants and products.

Explain the significance of oxygen in combustion reactions.

What is a hydrocarbon and how is it represented in combustion reactions?