What is the flash point of Acetylene?

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Multiple Choice

What is the flash point of Acetylene?

Explanation:
Flash point is the lowest temperature at which a liquid can emit enough vapor to form an ignitable mixture with air when exposed to a flame or spark. Acetylene is extremely flammable, and in many safety references its flash point is given as around -18 C (0 F). This means that once the substance is warmed above about -18 C, its vapors can ignite if there’s an ignition source nearby, highlighting how hazardous it is even at relatively low temperatures. Values far below that, like -183 C, refer to different context or data tables and are not the typical practical flash point used in common safety guidance.

Flash point is the lowest temperature at which a liquid can emit enough vapor to form an ignitable mixture with air when exposed to a flame or spark. Acetylene is extremely flammable, and in many safety references its flash point is given as around -18 C (0 F). This means that once the substance is warmed above about -18 C, its vapors can ignite if there’s an ignition source nearby, highlighting how hazardous it is even at relatively low temperatures. Values far below that, like -183 C, refer to different context or data tables and are not the typical practical flash point used in common safety guidance.

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