What is ignotion or kindling temperature.

Why it is important that temperature of combustible material should abo

ve its ignition temperature.

Plerase explain in easy and lucid manner

The ignition temperature of a given substance is the measure of the minimum temperature at which the substance ignites, without the presence of an external spark or flame.

The temperature of the combustible material should be above its ignition temperature so that it can react with oxygen ad start igniting. The material will not ignite below ignition temperature.