Which of these options is a true statement regarding oxidizers?

Oxidizers are substances that can accept electrons from another substance in a chemical reaction, which typically leads to the process of combustion. The correct statement highlights that oxidizers can exist in different states of matter, including solids, liquids, and gases. This versatility is crucial in various chemical processes, including combustion, where they facilitate the burning of fuels.

For instance, some common oxidizers like potassium nitrate or ammonium perchlorate are solid compounds, while hydrogen peroxide is a liquid oxidizer, and oxygen is a gas. This diversity in physical state allows oxidizers to be used in a wide range of applications, from rocket propellants to disinfectants.

Understanding that oxidizers can take on various forms underscores their importance and widespread presence in both industrial and everyday contexts, rather than restricting them to only one state of matter or implying that their role in combustion is negligible.