Question

write the three condition for combustion

Answer 1

Three things are required in proper combination before ignition and combustion can take place---Heat, Oxygen and Fuel.

There must be Fuel to burn.

There must be Air to supply oxygen.

There must be Heat (ignition temperature) to start and continue the combustion process.

Answer 2

The conditions for combustion to take place are as follows :-

(i) Flammable environment or presence of air or oxygen.

The first condition should be the presence of a flammable environment. Only then will the substance catch fire .

(ii) Ignition temperature .

The minimum ignition temperature should be crossed in order to catch fire.

For example : paper would not catch fire if the ignition temperature of paper is not sufficient .

(iii) Presence of flammable material .

Fuel or any flammable substance should be present for efficient combustion.

These are the conditions for combustion to take place.