Question

define combination name a combustible substance​

Answer 1

Combustion -burning of substance in presence of air and oxygen with the liberation of heat and light is known as combustion.

combination- to combine with each other.

combustible substance - burning of the substance in the presence of heat and light.

Answer 2

Answer:

HEYA ❤❤

COMBUSTION :

IT IS THE PROCESS IN WHICH ANY SUBSTANCE IS HEATED IN THE PRESENCE AIR .

a combustible substance is wood , paper etc .

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