Final answer:
Acetylene may cause tips to overheat if used in equipment not designed for it due to its very high burning temperature.
Step-by-step explanation:
If acetylene is used in tips designed for other fuel gases, the tip may overheat. Acetylene is a fuel gas that burns at an extremely high temperature (3300°C) and is used in applications such as welding. Because of its unique properties and the high temperature it burns at, using acetylene with equipment not designed for it can lead to hazards like overheating. Other fuel gases such as propane, natural gas, and butane have different burning temperatures and chemical behaviors. Among them, propane and butane are also used as fuels, and they can liquefy under pressure. However, they do not reach temperatures as high as acetylene when burned, making them unsuitable for some applications that require intensely high heat.