Before revision: Burning When material is heated enough, it begins to break down into smaller compounds, including flammable or even explosive gas, typically hydrocarbons.
After revision: A similar process occurs during a backdraft, with the introduction of oxygen and mixing with unburnt gases causing abrupt or even explosive combustionBurning When material is heated enough, it begins to break down into smaller compounds, including flammable or even explosive gas, typically hydrocarbons.