Question

what is the temperature at which a substance starts burning

Answer 1

In 100°Celsius or 32°Fahrenheit or 373K is the starting temperature at which a substance burns.

Answer 2

HOLA!!

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HERE YOU ANSWER IS

IGNITION TEMPERATURE :

The temperature at whih a substance starts burning is called ignition temperature.

WHY SO IMPORTANT?

We use ignition to determine whether the fuel is good or not.For a good fuel igintion must be moderate or slightly high.

WHAT IF THE IGNITION TEMPERATURE IS LOW?

If the ignition temperature of a fuel is low.The say that the fuel is not good.

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HOPE IT HELPS YOU :D