Question 724 Deck General

The correct answer is A) -108°F (-78°C). The flash point of a substance is the minimum temperature at which the substance gives off sufficient vapor to form an ignitable mixture with air near the surface of the liquid or within the vessel used. For vinyl chloride, the flash point is -108°F (-78°C), which is the temperature at which vinyl chloride will produce enough vapor to form a flammable mixture with air. The other options are incorrect because 32°F (0°C) is the freezing point of water, -20°F (-29°C) is too low for the flash point of vinyl chloride, and 97°F (36°C) is too high for the flash point of this substance.