Question 649Deck Safety70% to pass
The lowest temperature required to cause self-sustained combustion of a substance independent of any outside source of ignition is called _______________.
AI Explanation
The correct answer is B) ignition temperature.
The ignition temperature is the lowest temperature required to cause self-sustained combustion of a substance independent of any outside source of ignition. This is the key defining characteristic that makes ignition temperature the correct answer.
The other options are incorrect because:
A) Flash point refers to the minimum temperature at which a liquid gives off vapor in sufficient concentration to form an ignitable mixture with air.
C) Combustion temperature is the temperature at which a substance undergoes rapid oxidation and releases heat.
D) Explosive range refers to the range of concentrations of a flammable vapor or gas in air within which explosion can occur.
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