what is the difference between ignition temperature and calorific value
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Fire point is nothing but the minimum or the lowest temperature at which the liquid will vaporize and these vapors will start to burn (and burn for at least 5 seconds or more),
provided you give it an external source of ignition.
(such as source of flame, match stick or spark etc)
However Ignition point doesn't require any external source of ignition or flame.
In this case the vapors will start burning (or catch fire) automatically as soon as the these vapors reach a certain temperature. (Hence also known as Auto Ignition point)
Ignition point will always be much much higher than Fire point for any flammable liquid.
For Eg: Kerosene has a Fire point of 56 degree Celsius however its ignition or auto ignition point is 220 degree Celsius.
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provided you give it an external source of ignition.
(such as source of flame, match stick or spark etc)
However Ignition point doesn't require any external source of ignition or flame.
In this case the vapors will start burning (or catch fire) automatically as soon as the these vapors reach a certain temperature. (Hence also known as Auto Ignition point)
Ignition point will always be much much higher than Fire point for any flammable liquid.
For Eg: Kerosene has a Fire point of 56 degree Celsius however its ignition or auto ignition point is 220 degree Celsius.
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or
plz mark it as the brainlest answer
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