Question

The lowest temperature at which a substance must be heated before it begins to burn is called its_________________.

Answer 1

Ignition temperature:

• The ignition temperature of a substance is the lowest temperature at which the substance starts burning.
• For a substance to start burning, a characteristic minimum temperature has to be reached first.
• This temperature is ignition temperature.

Thus, The lowest temperature at which a substance must be heated before it begins to burn is called its ignition temperature.