Question

At which temperature, a substance catches fire and starts burning?

Answer 1

Ignition temperature: It is the minimum temperature to which a combustible substance must be heated, before it catches fire. Therefore, we see that a combustible substance cannot catch fire as long as its temperature is lower than its ignition temperature e.g. Ignition temperature of phosphorus is 35 °C.

Answer 2

Answer: ignition temperature is the temperature at which a substance starts burning.so a minimum temperature at which a combustible substance starts burning is 35 degrees celcious.

Explanation:

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