Flammable

Acetic acid is, in fact, an organic substance comprised of carbon atoms. These carbon atoms are not in their highest oxidation state, as their average valency stands at zero.

Matches fall under the category of flammable solids, and gunpowder is categorized as an explosive substance. Due to the necessity of an open flame for...

Asphalt is a combustible material. It's not crystalline and doesn't have a definitive melting point, allowing for a clear distinction between its solid and liquid forms.

Styrene, with its relatively low melting point, typically exists as a colorless oily liquid at ambient temperatures. Furthermore, with a flash point of...

Xylene is categorized as a Class 3 dangerous substance and is recognized as a flammable liquid. As stipulated by the "Classification and Nomenclature of...

Under normal circumstances, iron powder does not ignite but undergoes oxidation in the air. Nonetheless, given the right conditions, it can indeed combust.