Question

identify the type of combustion that take place when sodium is exposed to air

Answer 1

Spontaneous combustion takes place when sodium is exposed to air.

Answer 2

Well since it’s a responsive component it can separate the water's components which are oxygen and hydrogen.

Presently hydrogen is a truly combustible gas, the discharged vitality from this separation can be sufficient to copy that hydrogen and transform it into water once more.

However the water particle itself can at present add another oxygen iota to itself if the enough vitality assets are there.

So in fact it can consume.