Question

(2) Which activity would you do to prove that the temperature of a substance must reach
the combustion point of that substance in order to ignite it?​

Answer 1

Answer:

Ingnition temperature:it is the minimum temperature to which a combstilesubstance must be heated , before it catches fire.

Explanation:

why doe the fire goes off when water is poured over burning wood ?

Explanation:

It happens because water absorb a large amount of heat energy ,which results in fall in the temperature of wood below it's ignition temperature and the fire goes off.