Question

Hello people ~

The combustion reaction which occurs on its own, without any external supply of heat is called as:

A. Explosion

B. Spontaneous combustion

C. Fire

D. Rapid combustion​

Answer 1

B. Spontaneous combustion

Step-by-step explanation:

If the reaction is happening completely on its own, it is spontaneous!

Hopefully this helps- let me know if you have any questions!